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Finding the Third Proportional to 3,129,844 and 6,857,468

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Solution

The third proportional to 3,129,844 and 6,857,468 is: 15,024,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,844 : 6,857,468 = 6,857,468 : x
  2. Step 2: Convert to fraction form
    3,129,844/6,857,468 = 6,857,468/x
  3. Step 3: Cross multiply
    3,129,844x = 6,857,468 × 6,857,468
  4. Step 4: Simplify right side
    3,129,844x = 47,024,867,371,024
  5. Step 5: Solve for x
    x = 47,024,867,371,024/3,129,844
  6. Step 6: Final answer
    x = 15,024,668.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.