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Finding the Third Proportional to 72,714,969 and 155,507,607

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Solution

The third proportional to 72,714,969 and 155,507,607 is: 332,567,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,714,969 : 155,507,607 = 155,507,607 : x
  2. Step 2: Convert to fraction form
    72,714,969/155,507,607 = 155,507,607/x
  3. Step 3: Cross multiply
    72,714,969x = 155,507,607 × 155,507,607
  4. Step 4: Simplify right side
    72,714,969x = 24,182,615,834,866,448
  5. Step 5: Solve for x
    x = 24,182,615,834,866,448/72,714,969
  6. Step 6: Final answer
    x = 332,567,230.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.