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Finding the Third Proportional to 67,588,662 and 138,760,402

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Solution

The third proportional to 67,588,662 and 138,760,402 is: 284,876,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,588,662 : 138,760,402 = 138,760,402 : x
  2. Step 2: Convert to fraction form
    67,588,662/138,760,402 = 138,760,402/x
  3. Step 3: Cross multiply
    67,588,662x = 138,760,402 × 138,760,402
  4. Step 4: Simplify right side
    67,588,662x = 19,254,449,163,201,604
  5. Step 5: Solve for x
    x = 19,254,449,163,201,604/67,588,662
  6. Step 6: Final answer
    x = 284,876,909.73

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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.