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Finding the Third Proportional to 161,600,400 and 250,737,120

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Solution

The third proportional to 161,600,400 and 250,737,120 is: 389,040,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,600,400 : 250,737,120 = 250,737,120 : x
  2. Step 2: Convert to fraction form
    161,600,400/250,737,120 = 250,737,120/x
  3. Step 3: Cross multiply
    161,600,400x = 250,737,120 × 250,737,120
  4. Step 4: Simplify right side
    161,600,400x = 62,869,103,345,894,400
  5. Step 5: Solve for x
    x = 62,869,103,345,894,400/161,600,400
  6. Step 6: Final answer
    x = 389,040,518.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.