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Finding the Third Proportional to 31,799,648.50 and 68,635,229

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Solution

The third proportional to 31,799,648.50 and 68,635,229 is: 148,139,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799,648.50 : 68,635,229 = 68,635,229 : x
  2. Step 2: Convert to fraction form
    31,799,648.50/68,635,229 = 68,635,229/x
  3. Step 3: Cross multiply
    31,799,648.50x = 68,635,229 × 68,635,229
  4. Step 4: Simplify right side
    31,799,648.50x = 4,710,794,659,882,441
  5. Step 5: Solve for x
    x = 4,710,794,659,882,441/31,799,648.50
  6. Step 6: Final answer
    x = 148,139,834.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.