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Finding the Third Proportional to 69,706,341 and 151,502,418

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Solution

The third proportional to 69,706,341 and 151,502,418 is: 329,281,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,706,341 : 151,502,418 = 151,502,418 : x
  2. Step 2: Convert to fraction form
    69,706,341/151,502,418 = 151,502,418/x
  3. Step 3: Cross multiply
    69,706,341x = 151,502,418 × 151,502,418
  4. Step 4: Simplify right side
    69,706,341x = 22,952,982,659,846,724
  5. Step 5: Solve for x
    x = 22,952,982,659,846,724/69,706,341
  6. Step 6: Final answer
    x = 329,281,128.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.