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Finding the Third Proportional to 352.13 and 740.81

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Solution

The third proportional to 352.13 and 740.81 is: 1,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.13 : 740.81 = 740.81 : x
  2. Step 2: Convert to fraction form
    352.13/740.81 = 740.81/x
  3. Step 3: Cross multiply
    352.13x = 740.81 × 740.81
  4. Step 4: Simplify right side
    352.13x = 548,803.16
  5. Step 5: Solve for x
    x = 548,803.16/352.13
  6. Step 6: Final answer
    x = 1,558.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.