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Finding the Third Proportional to 342.75 and 750.66

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Solution

The third proportional to 342.75 and 750.66 is: 1,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.75 : 750.66 = 750.66 : x
  2. Step 2: Convert to fraction form
    342.75/750.66 = 750.66/x
  3. Step 3: Cross multiply
    342.75x = 750.66 × 750.66
  4. Step 4: Simplify right side
    342.75x = 563,484.81
  5. Step 5: Solve for x
    x = 563,484.81/342.75
  6. Step 6: Final answer
    x = 1,644.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.