Home / 65,220,507-142,160,419

Finding the Third Proportional to 65,220,507 and 142,160,419

Calculator

Solution

The third proportional to 65,220,507 and 142,160,419 is: 309,865,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220,507 : 142,160,419 = 142,160,419 : x
  2. Step 2: Convert to fraction form
    65,220,507/142,160,419 = 142,160,419/x
  3. Step 3: Cross multiply
    65,220,507x = 142,160,419 × 142,160,419
  4. Step 4: Simplify right side
    65,220,507x = 20,209,584,730,255,560
  5. Step 5: Solve for x
    x = 20,209,584,730,255,560/65,220,507
  6. Step 6: Final answer
    x = 309,865,495.68

Related Problems

Find third proportional to 32,610,253.50 and 71,080,209.50
Half scale
Find third proportional to 130,441,014 and 284,320,838
Double scale
Find third proportional to 65,220,509 and 142,160,423
Similar ratio
Find third proportional to 97,830,760.50 and 213,240,628.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.