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Finding the Third Proportional to 758.63 and 1,585.88

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Solution

The third proportional to 758.63 and 1,585.88 is: 3,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.63 : 1,585.88 = 1,585.88 : x
  2. Step 2: Convert to fraction form
    758.63/1,585.88 = 1,585.88/x
  3. Step 3: Cross multiply
    758.63x = 1,585.88 × 1,585.88
  4. Step 4: Simplify right side
    758.63x = 2,514,999.52
  5. Step 5: Solve for x
    x = 2,514,999.52/758.63
  6. Step 6: Final answer
    x = 3,315.21

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.