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Finding the Third Proportional to 69,281,359 and 96,859,419

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Solution

The third proportional to 69,281,359 and 96,859,419 is: 135,415,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281,359 : 96,859,419 = 96,859,419 : x
  2. Step 2: Convert to fraction form
    69,281,359/96,859,419 = 96,859,419/x
  3. Step 3: Cross multiply
    69,281,359x = 96,859,419 × 96,859,419
  4. Step 4: Simplify right side
    69,281,359x = 9,381,747,049,017,560
  5. Step 5: Solve for x
    x = 9,381,747,049,017,560/69,281,359
  6. Step 6: Final answer
    x = 135,415,170.61

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.