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Finding the Third Proportional to 360,550.50 and 560,491.50

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Solution

The third proportional to 360,550.50 and 560,491.50 is: 871,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,550.50 : 560,491.50 = 560,491.50 : x
  2. Step 2: Convert to fraction form
    360,550.50/560,491.50 = 560,491.50/x
  3. Step 3: Cross multiply
    360,550.50x = 560,491.50 × 560,491.50
  4. Step 4: Simplify right side
    360,550.50x = 314,150,721,572.25
  5. Step 5: Solve for x
    x = 314,150,721,572.25/360,550.50
  6. Step 6: Final answer
    x = 871,308.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.