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Finding the Third Proportional to 1,862.16 and 2,741.77

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Solution

The third proportional to 1,862.16 and 2,741.77 is: 4,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.16 : 2,741.77 = 2,741.77 : x
  2. Step 2: Convert to fraction form
    1,862.16/2,741.77 = 2,741.77/x
  3. Step 3: Cross multiply
    1,862.16x = 2,741.77 × 2,741.77
  4. Step 4: Simplify right side
    1,862.16x = 7,517,278.74
  5. Step 5: Solve for x
    x = 7,517,278.74/1,862.16
  6. Step 6: Final answer
    x = 4,036.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.