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Finding the Third Proportional to 8,326,531.13 and 12,489,795.56

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Solution

The third proportional to 8,326,531.13 and 12,489,795.56 is: 18,734,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326,531.13 : 12,489,795.56 = 12,489,795.56 : x
  2. Step 2: Convert to fraction form
    8,326,531.13/12,489,795.56 = 12,489,795.56/x
  3. Step 3: Cross multiply
    8,326,531.13x = 12,489,795.56 × 12,489,795.56
  4. Step 4: Simplify right side
    8,326,531.13x = 155,994,993,193,044.69
  5. Step 5: Solve for x
    x = 155,994,993,193,044.69/8,326,531.13
  6. Step 6: Final answer
    x = 18,734,691.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.