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Finding the Third Proportional to 655.88 and 948.94

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Solution

The third proportional to 655.88 and 948.94 is: 1,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.88 : 948.94 = 948.94 : x
  2. Step 2: Convert to fraction form
    655.88/948.94 = 948.94/x
  3. Step 3: Cross multiply
    655.88x = 948.94 × 948.94
  4. Step 4: Simplify right side
    655.88x = 900,482.38
  5. Step 5: Solve for x
    x = 900,482.38/655.88
  6. Step 6: Final answer
    x = 1,372.95

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.