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Finding the Third Proportional to 1,742.13 and 2,630.29

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Solution

The third proportional to 1,742.13 and 2,630.29 is: 3,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.13 : 2,630.29 = 2,630.29 : x
  2. Step 2: Convert to fraction form
    1,742.13/2,630.29 = 2,630.29/x
  3. Step 3: Cross multiply
    1,742.13x = 2,630.29 × 2,630.29
  4. Step 4: Simplify right side
    1,742.13x = 6,918,400.00
  5. Step 5: Solve for x
    x = 6,918,400.00/1,742.13
  6. Step 6: Final answer
    x = 3,971.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.