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Finding the Third Proportional to 18,668,892 and 29,285,976

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Solution

The third proportional to 18,668,892 and 29,285,976 is: 45,941,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,892 : 29,285,976 = 29,285,976 : x
  2. Step 2: Convert to fraction form
    18,668,892/29,285,976 = 29,285,976/x
  3. Step 3: Cross multiply
    18,668,892x = 29,285,976 × 29,285,976
  4. Step 4: Simplify right side
    18,668,892x = 857,668,390,272,576
  5. Step 5: Solve for x
    x = 857,668,390,272,576/18,668,892
  6. Step 6: Final answer
    x = 45,941,044.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.