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Finding the Third Proportional to 4,867,690 and 10,386,893

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Solution

The third proportional to 4,867,690 and 10,386,893 is: 22,164,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867,690 : 10,386,893 = 10,386,893 : x
  2. Step 2: Convert to fraction form
    4,867,690/10,386,893 = 10,386,893/x
  3. Step 3: Cross multiply
    4,867,690x = 10,386,893 × 10,386,893
  4. Step 4: Simplify right side
    4,867,690x = 107,887,546,193,449
  5. Step 5: Solve for x
    x = 107,887,546,193,449/4,867,690
  6. Step 6: Final answer
    x = 22,164,013.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.