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Finding the Third Proportional to 102,873,480 and 156,721,979

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Solution

The third proportional to 102,873,480 and 156,721,979 is: 238,757,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,873,480 : 156,721,979 = 156,721,979 : x
  2. Step 2: Convert to fraction form
    102,873,480/156,721,979 = 156,721,979/x
  3. Step 3: Cross multiply
    102,873,480x = 156,721,979 × 156,721,979
  4. Step 4: Simplify right side
    102,873,480x = 24,561,778,701,676,440
  5. Step 5: Solve for x
    x = 24,561,778,701,676,440/102,873,480
  6. Step 6: Final answer
    x = 238,757,148.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.