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Finding the Third Proportional to 8,391,798.52 and 12,535,928.98

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Solution

The third proportional to 8,391,798.52 and 12,535,928.98 is: 18,726,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,798.52 : 12,535,928.98 = 12,535,928.98 : x
  2. Step 2: Convert to fraction form
    8,391,798.52/12,535,928.98 = 12,535,928.98/x
  3. Step 3: Cross multiply
    8,391,798.52x = 12,535,928.98 × 12,535,928.98
  4. Step 4: Simplify right side
    8,391,798.52x = 157,149,515,493,646.28
  5. Step 5: Solve for x
    x = 157,149,515,493,646.28/8,391,798.52
  6. Step 6: Final answer
    x = 18,726,559.65

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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.