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Finding the Third Proportional to 466 and 557.50

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Solution

The third proportional to 466 and 557.50 is: 666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466 : 557.50 = 557.50 : x
  2. Step 2: Convert to fraction form
    466/557.50 = 557.50/x
  3. Step 3: Cross multiply
    466x = 557.50 × 557.50
  4. Step 4: Simplify right side
    466x = 310,806.25
  5. Step 5: Solve for x
    x = 310,806.25/466
  6. Step 6: Final answer
    x = 666.97

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.