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Finding the Third Proportional to 537 and 631.50

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Solution

The third proportional to 537 and 631.50 is: 742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    537 : 631.50 = 631.50 : x
  2. Step 2: Convert to fraction form
    537/631.50 = 631.50/x
  3. Step 3: Cross multiply
    537x = 631.50 × 631.50
  4. Step 4: Simplify right side
    537x = 398,792.25
  5. Step 5: Solve for x
    x = 398,792.25/537
  6. Step 6: Final answer
    x = 742.63

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.