Home / 64,710-142,110

Finding the Third Proportional to 64,710 and 142,110

Calculator

Solution

The third proportional to 64,710 and 142,110 is: 312,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710 : 142,110 = 142,110 : x
  2. Step 2: Convert to fraction form
    64,710/142,110 = 142,110/x
  3. Step 3: Cross multiply
    64,710x = 142,110 × 142,110
  4. Step 4: Simplify right side
    64,710x = 20,195,252,100
  5. Step 5: Solve for x
    x = 20,195,252,100/64,710
  6. Step 6: Final answer
    x = 312,088.58

Related Problems

Find third proportional to 32,355 and 71,055
Half scale
Find third proportional to 129,420 and 284,220
Double scale
Find third proportional to 64,712 and 142,114
Similar ratio
Find third proportional to 97,065 and 213,165
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.