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Finding the Third Proportional to 147.38 and 292.50

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Solution

The third proportional to 147.38 and 292.50 is: 580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.38 : 292.50 = 292.50 : x
  2. Step 2: Convert to fraction form
    147.38/292.50 = 292.50/x
  3. Step 3: Cross multiply
    147.38x = 292.50 × 292.50
  4. Step 4: Simplify right side
    147.38x = 85,556.25
  5. Step 5: Solve for x
    x = 85,556.25/147.38
  6. Step 6: Final answer
    x = 580.53

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.