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Finding the Third Proportional to 71,645,947.50 and 155,455,989

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Solution

The third proportional to 71,645,947.50 and 155,455,989 is: 337,305,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645,947.50 : 155,455,989 = 155,455,989 : x
  2. Step 2: Convert to fraction form
    71,645,947.50/155,455,989 = 155,455,989/x
  3. Step 3: Cross multiply
    71,645,947.50x = 155,455,989 × 155,455,989
  4. Step 4: Simplify right side
    71,645,947.50x = 24,166,564,515,968,120
  5. Step 5: Solve for x
    x = 24,166,564,515,968,120/71,645,947.50
  6. Step 6: Final answer
    x = 337,305,393.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.