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Finding the Third Proportional to 56.50 and 124

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Solution

The third proportional to 56.50 and 124 is: 272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.50 : 124 = 124 : x
  2. Step 2: Convert to fraction form
    56.50/124 = 124/x
  3. Step 3: Cross multiply
    56.50x = 124 × 124
  4. Step 4: Simplify right side
    56.50x = 15,376
  5. Step 5: Solve for x
    x = 15,376/56.50
  6. Step 6: Final answer
    x = 272.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.