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Finding the Third Proportional to 78,732,579.50 and 171,791,791

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Solution

The third proportional to 78,732,579.50 and 171,791,791 is: 374,843,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,579.50 : 171,791,791 = 171,791,791 : x
  2. Step 2: Convert to fraction form
    78,732,579.50/171,791,791 = 171,791,791/x
  3. Step 3: Cross multiply
    78,732,579.50x = 171,791,791 × 171,791,791
  4. Step 4: Simplify right side
    78,732,579.50x = 29,512,419,454,987,680
  5. Step 5: Solve for x
    x = 29,512,419,454,987,680/78,732,579.50
  6. Step 6: Final answer
    x = 374,843,802.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.