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Finding the Third Proportional to 8,338,272 and 12,458,309

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Solution

The third proportional to 8,338,272 and 12,458,309 is: 18,614,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,272 : 12,458,309 = 12,458,309 : x
  2. Step 2: Convert to fraction form
    8,338,272/12,458,309 = 12,458,309/x
  3. Step 3: Cross multiply
    8,338,272x = 12,458,309 × 12,458,309
  4. Step 4: Simplify right side
    8,338,272x = 155,209,463,139,481
  5. Step 5: Solve for x
    x = 155,209,463,139,481/8,338,272
  6. Step 6: Final answer
    x = 18,614,104.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.