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Finding the Third Proportional to 560 and 727

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Solution

The third proportional to 560 and 727 is: 943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560 : 727 = 727 : x
  2. Step 2: Convert to fraction form
    560/727 = 727/x
  3. Step 3: Cross multiply
    560x = 727 × 727
  4. Step 4: Simplify right side
    560x = 528,529
  5. Step 5: Solve for x
    x = 528,529/560
  6. Step 6: Final answer
    x = 943.80

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.