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Finding the Third Proportional to 15,438,856 and 22,709,218

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Solution

The third proportional to 15,438,856 and 22,709,218 is: 33,403,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,856 : 22,709,218 = 22,709,218 : x
  2. Step 2: Convert to fraction form
    15,438,856/22,709,218 = 22,709,218/x
  3. Step 3: Cross multiply
    15,438,856x = 22,709,218 × 22,709,218
  4. Step 4: Simplify right side
    15,438,856x = 515,708,582,171,524
  5. Step 5: Solve for x
    x = 515,708,582,171,524/15,438,856
  6. Step 6: Final answer
    x = 33,403,289.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.