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Finding the Third Proportional to 538,711.25 and 803,395.25

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Solution

The third proportional to 538,711.25 and 803,395.25 is: 1,198,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,711.25 : 803,395.25 = 803,395.25 : x
  2. Step 2: Convert to fraction form
    538,711.25/803,395.25 = 803,395.25/x
  3. Step 3: Cross multiply
    538,711.25x = 803,395.25 × 803,395.25
  4. Step 4: Simplify right side
    538,711.25x = 645,443,927,722.56
  5. Step 5: Solve for x
    x = 645,443,927,722.56/538,711.25
  6. Step 6: Final answer
    x = 1,198,125.95

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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.