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Finding the Third Proportional to 425,587.21 and 632,351.61

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Solution

The third proportional to 425,587.21 and 632,351.61 is: 939,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,587.21 : 632,351.61 = 632,351.61 : x
  2. Step 2: Convert to fraction form
    425,587.21/632,351.61 = 632,351.61/x
  3. Step 3: Cross multiply
    425,587.21x = 632,351.61 × 632,351.61
  4. Step 4: Simplify right side
    425,587.21x = 399,868,564,671.99
  5. Step 5: Solve for x
    x = 399,868,564,671.99/425,587.21
  6. Step 6: Final answer
    x = 939,569.04

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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.