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Finding the Third Proportional to 108.75 and 232.50

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Solution

The third proportional to 108.75 and 232.50 is: 497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.75 : 232.50 = 232.50 : x
  2. Step 2: Convert to fraction form
    108.75/232.50 = 232.50/x
  3. Step 3: Cross multiply
    108.75x = 232.50 × 232.50
  4. Step 4: Simplify right side
    108.75x = 54,056.25
  5. Step 5: Solve for x
    x = 54,056.25/108.75
  6. Step 6: Final answer
    x = 497.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.