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Finding the Third Proportional to 1,110.59 and 1,587.09

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Solution

The third proportional to 1,110.59 and 1,587.09 is: 2,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.59 : 1,587.09 = 1,587.09 : x
  2. Step 2: Convert to fraction form
    1,110.59/1,587.09 = 1,587.09/x
  3. Step 3: Cross multiply
    1,110.59x = 1,587.09 × 1,587.09
  4. Step 4: Simplify right side
    1,110.59x = 2,518,866.57
  5. Step 5: Solve for x
    x = 2,518,866.57/1,110.59
  6. Step 6: Final answer
    x = 2,268.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.