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Finding the Third Proportional to 285.75 and 532.50

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Solution

The third proportional to 285.75 and 532.50 is: 992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.75 : 532.50 = 532.50 : x
  2. Step 2: Convert to fraction form
    285.75/532.50 = 532.50/x
  3. Step 3: Cross multiply
    285.75x = 532.50 × 532.50
  4. Step 4: Simplify right side
    285.75x = 283,556.25
  5. Step 5: Solve for x
    x = 283,556.25/285.75
  6. Step 6: Final answer
    x = 992.32

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.