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Finding the Third Proportional to 67,407,292 and 145,227,523

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Solution

The third proportional to 67,407,292 and 145,227,523 is: 312,889,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,407,292 : 145,227,523 = 145,227,523 : x
  2. Step 2: Convert to fraction form
    67,407,292/145,227,523 = 145,227,523/x
  3. Step 3: Cross multiply
    67,407,292x = 145,227,523 × 145,227,523
  4. Step 4: Simplify right side
    67,407,292x = 21,091,033,436,715,528
  5. Step 5: Solve for x
    x = 21,091,033,436,715,528/67,407,292
  6. Step 6: Final answer
    x = 312,889,493.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.