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Finding the Third Proportional to 161,689,448 and 248,530,909

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Solution

The third proportional to 161,689,448 and 248,530,909 is: 382,013,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,689,448 : 248,530,909 = 248,530,909 : x
  2. Step 2: Convert to fraction form
    161,689,448/248,530,909 = 248,530,909/x
  3. Step 3: Cross multiply
    161,689,448x = 248,530,909 × 248,530,909
  4. Step 4: Simplify right side
    161,689,448x = 61,767,612,728,366,280
  5. Step 5: Solve for x
    x = 61,767,612,728,366,280/161,689,448
  6. Step 6: Final answer
    x = 382,013,875.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.