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Finding the Third Proportional to 571,039.88 and 803,439

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Solution

The third proportional to 571,039.88 and 803,439 is: 1,130,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,039.88 : 803,439 = 803,439 : x
  2. Step 2: Convert to fraction form
    571,039.88/803,439 = 803,439/x
  3. Step 3: Cross multiply
    571,039.88x = 803,439 × 803,439
  4. Step 4: Simplify right side
    571,039.88x = 645,514,226,721
  5. Step 5: Solve for x
    x = 645,514,226,721/571,039.88
  6. Step 6: Final answer
    x = 1,130,418.83

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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.