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Finding the Third Proportional to 242.25 and 373.13

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Solution

The third proportional to 242.25 and 373.13 is: 574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.25 : 373.13 = 373.13 : x
  2. Step 2: Convert to fraction form
    242.25/373.13 = 373.13/x
  3. Step 3: Cross multiply
    242.25x = 373.13 × 373.13
  4. Step 4: Simplify right side
    242.25x = 139,222.27
  5. Step 5: Solve for x
    x = 139,222.27/242.25
  6. Step 6: Final answer
    x = 574.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.