Home / 315,180-462,402

Finding the Third Proportional to 315,180 and 462,402

Calculator

Solution

The third proportional to 315,180 and 462,402 is: 678,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,180 : 462,402 = 462,402 : x
  2. Step 2: Convert to fraction form
    315,180/462,402 = 462,402/x
  3. Step 3: Cross multiply
    315,180x = 462,402 × 462,402
  4. Step 4: Simplify right side
    315,180x = 213,815,609,604
  5. Step 5: Solve for x
    x = 213,815,609,604/315,180
  6. Step 6: Final answer
    x = 678,392.06

Related Problems

Find third proportional to 157,590 and 231,201
Half scale
Find third proportional to 630,360 and 924,804
Double scale
Find third proportional to 315,182 and 462,405
Similar ratio
Find third proportional to 472,770 and 693,603
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.