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Finding the Third Proportional to 8,988,205.50 and 12,718,042.88

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Solution

The third proportional to 8,988,205.50 and 12,718,042.88 is: 17,995,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,205.50 : 12,718,042.88 = 12,718,042.88 : x
  2. Step 2: Convert to fraction form
    8,988,205.50/12,718,042.88 = 12,718,042.88/x
  3. Step 3: Cross multiply
    8,988,205.50x = 12,718,042.88 × 12,718,042.88
  4. Step 4: Simplify right side
    8,988,205.50x = 161,748,614,570,338.25
  5. Step 5: Solve for x
    x = 161,748,614,570,338.25/8,988,205.50
  6. Step 6: Final answer
    x = 17,995,651.59

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.