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Finding the Third Proportional to 8,962,442 and 13,775,919

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Solution

The third proportional to 8,962,442 and 13,775,919 is: 21,174,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962,442 : 13,775,919 = 13,775,919 : x
  2. Step 2: Convert to fraction form
    8,962,442/13,775,919 = 13,775,919/x
  3. Step 3: Cross multiply
    8,962,442x = 13,775,919 × 13,775,919
  4. Step 4: Simplify right side
    8,962,442x = 189,775,944,294,561
  5. Step 5: Solve for x
    x = 189,775,944,294,561/8,962,442
  6. Step 6: Final answer
    x = 21,174,579.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.