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Finding the Third Proportional to 84,887,076 and 172,895,727

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Solution

The third proportional to 84,887,076 and 172,895,727 is: 352,149,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887,076 : 172,895,727 = 172,895,727 : x
  2. Step 2: Convert to fraction form
    84,887,076/172,895,727 = 172,895,727/x
  3. Step 3: Cross multiply
    84,887,076x = 172,895,727 × 172,895,727
  4. Step 4: Simplify right side
    84,887,076x = 29,892,932,414,858,528
  5. Step 5: Solve for x
    x = 29,892,932,414,858,528/84,887,076
  6. Step 6: Final answer
    x = 352,149,394.51

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.