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Finding the Third Proportional to 887,128.59 and 1,329,217.03

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Solution

The third proportional to 887,128.59 and 1,329,217.03 is: 1,991,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,128.59 : 1,329,217.03 = 1,329,217.03 : x
  2. Step 2: Convert to fraction form
    887,128.59/1,329,217.03 = 1,329,217.03/x
  3. Step 3: Cross multiply
    887,128.59x = 1,329,217.03 × 1,329,217.03
  4. Step 4: Simplify right side
    887,128.59x = 1,766,817,916,165.06
  5. Step 5: Solve for x
    x = 1,766,817,916,165.06/887,128.59
  6. Step 6: Final answer
    x = 1,991,614.21

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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.