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Finding the Third Proportional to 736.88 and 956.81

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Solution

The third proportional to 736.88 and 956.81 is: 1,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.88 : 956.81 = 956.81 : x
  2. Step 2: Convert to fraction form
    736.88/956.81 = 956.81/x
  3. Step 3: Cross multiply
    736.88x = 956.81 × 956.81
  4. Step 4: Simplify right side
    736.88x = 915,490.16
  5. Step 5: Solve for x
    x = 915,490.16/736.88
  6. Step 6: Final answer
    x = 1,242.40

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.