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Finding the Third Proportional to 79,899,850 and 172,386,452

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Solution

The third proportional to 79,899,850 and 172,386,452 is: 371,929,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,899,850 : 172,386,452 = 172,386,452 : x
  2. Step 2: Convert to fraction form
    79,899,850/172,386,452 = 172,386,452/x
  3. Step 3: Cross multiply
    79,899,850x = 172,386,452 × 172,386,452
  4. Step 4: Simplify right side
    79,899,850x = 29,717,088,833,148,304
  5. Step 5: Solve for x
    x = 29,717,088,833,148,304/79,899,850
  6. Step 6: Final answer
    x = 371,929,219.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.