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Finding the Third Proportional to 424,572.75 and 619,359.75

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Solution

The third proportional to 424,572.75 and 619,359.75 is: 903,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,572.75 : 619,359.75 = 619,359.75 : x
  2. Step 2: Convert to fraction form
    424,572.75/619,359.75 = 619,359.75/x
  3. Step 3: Cross multiply
    424,572.75x = 619,359.75 × 619,359.75
  4. Step 4: Simplify right side
    424,572.75x = 383,606,499,920.06
  5. Step 5: Solve for x
    x = 383,606,499,920.06/424,572.75
  6. Step 6: Final answer
    x = 903,511.82

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.