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Finding the Third Proportional to 912,778.50 and 1,418,919

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Solution

The third proportional to 912,778.50 and 1,418,919 is: 2,205,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,778.50 : 1,418,919 = 1,418,919 : x
  2. Step 2: Convert to fraction form
    912,778.50/1,418,919 = 1,418,919/x
  3. Step 3: Cross multiply
    912,778.50x = 1,418,919 × 1,418,919
  4. Step 4: Simplify right side
    912,778.50x = 2,013,331,128,561
  5. Step 5: Solve for x
    x = 2,013,331,128,561/912,778.50
  6. Step 6: Final answer
    x = 2,205,717.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.