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Finding the Third Proportional to 67,588,658 and 138,760,394

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Solution

The third proportional to 67,588,658 and 138,760,394 is: 284,876,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,588,658 : 138,760,394 = 138,760,394 : x
  2. Step 2: Convert to fraction form
    67,588,658/138,760,394 = 138,760,394/x
  3. Step 3: Cross multiply
    67,588,658x = 138,760,394 × 138,760,394
  4. Step 4: Simplify right side
    67,588,658x = 19,254,446,943,035,236
  5. Step 5: Solve for x
    x = 19,254,446,943,035,236/67,588,658
  6. Step 6: Final answer
    x = 284,876,893.74

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.