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Finding the Third Proportional to 585.75 and 1,377.75

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Solution

The third proportional to 585.75 and 1,377.75 is: 3,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.75 : 1,377.75 = 1,377.75 : x
  2. Step 2: Convert to fraction form
    585.75/1,377.75 = 1,377.75/x
  3. Step 3: Cross multiply
    585.75x = 1,377.75 × 1,377.75
  4. Step 4: Simplify right side
    585.75x = 1,898,195.06
  5. Step 5: Solve for x
    x = 1,898,195.06/585.75
  6. Step 6: Final answer
    x = 3,240.62

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.