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Finding the Third Proportional to 488.81 and 732.94

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Solution

The third proportional to 488.81 and 732.94 is: 1,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.81 : 732.94 = 732.94 : x
  2. Step 2: Convert to fraction form
    488.81/732.94 = 732.94/x
  3. Step 3: Cross multiply
    488.81x = 732.94 × 732.94
  4. Step 4: Simplify right side
    488.81x = 537,197.38
  5. Step 5: Solve for x
    x = 537,197.38/488.81
  6. Step 6: Final answer
    x = 1,098.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.