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Finding the Third Proportional to 90,752,042 and 199,137,172

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Solution

The third proportional to 90,752,042 and 199,137,172 is: 436,966,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752,042 : 199,137,172 = 199,137,172 : x
  2. Step 2: Convert to fraction form
    90,752,042/199,137,172 = 199,137,172/x
  3. Step 3: Cross multiply
    90,752,042x = 199,137,172 × 199,137,172
  4. Step 4: Simplify right side
    90,752,042x = 39,655,613,272,157,584
  5. Step 5: Solve for x
    x = 39,655,613,272,157,584/90,752,042
  6. Step 6: Final answer
    x = 436,966,622.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.