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Finding the Third Proportional to 229.75 and 508.50

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Solution

The third proportional to 229.75 and 508.50 is: 1,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.75 : 508.50 = 508.50 : x
  2. Step 2: Convert to fraction form
    229.75/508.50 = 508.50/x
  3. Step 3: Cross multiply
    229.75x = 508.50 × 508.50
  4. Step 4: Simplify right side
    229.75x = 258,572.25
  5. Step 5: Solve for x
    x = 258,572.25/229.75
  6. Step 6: Final answer
    x = 1,125.45

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.