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Finding the Third Proportional to 1,665.19 and 2,502.06

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Solution

The third proportional to 1,665.19 and 2,502.06 is: 3,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.19 : 2,502.06 = 2,502.06 : x
  2. Step 2: Convert to fraction form
    1,665.19/2,502.06 = 2,502.06/x
  3. Step 3: Cross multiply
    1,665.19x = 2,502.06 × 2,502.06
  4. Step 4: Simplify right side
    1,665.19x = 6,260,316.75
  5. Step 5: Solve for x
    x = 6,260,316.75/1,665.19
  6. Step 6: Final answer
    x = 3,759.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.