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Finding the Third Proportional to 442,032.19 and 722,560.50

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Solution

The third proportional to 442,032.19 and 722,560.50 is: 1,181,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,032.19 : 722,560.50 = 722,560.50 : x
  2. Step 2: Convert to fraction form
    442,032.19/722,560.50 = 722,560.50/x
  3. Step 3: Cross multiply
    442,032.19x = 722,560.50 × 722,560.50
  4. Step 4: Simplify right side
    442,032.19x = 522,093,676,160.25
  5. Step 5: Solve for x
    x = 522,093,676,160.25/442,032.19
  6. Step 6: Final answer
    x = 1,181,121.40

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.