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Finding the Third Proportional to 84,985,396 and 187,834,952

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Solution

The third proportional to 84,985,396 and 187,834,952 is: 415,153,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985,396 : 187,834,952 = 187,834,952 : x
  2. Step 2: Convert to fraction form
    84,985,396/187,834,952 = 187,834,952/x
  3. Step 3: Cross multiply
    84,985,396x = 187,834,952 × 187,834,952
  4. Step 4: Simplify right side
    84,985,396x = 35,281,969,192,842,304
  5. Step 5: Solve for x
    x = 35,281,969,192,842,304/84,985,396
  6. Step 6: Final answer
    x = 415,153,318.73

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.