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Finding the Third Proportional to 887,217.47 and 1,329,327.28

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Solution

The third proportional to 887,217.47 and 1,329,327.28 is: 1,991,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,217.47 : 1,329,327.28 = 1,329,327.28 : x
  2. Step 2: Convert to fraction form
    887,217.47/1,329,327.28 = 1,329,327.28/x
  3. Step 3: Cross multiply
    887,217.47x = 1,329,327.28 × 1,329,327.28
  4. Step 4: Simplify right side
    887,217.47x = 1,767,111,020,675.52
  5. Step 5: Solve for x
    x = 1,767,111,020,675.52/887,217.47
  6. Step 6: Final answer
    x = 1,991,745.07

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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.