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Finding the Third Proportional to 877.31 and 1,901.44

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Solution

The third proportional to 877.31 and 1,901.44 is: 4,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.31 : 1,901.44 = 1,901.44 : x
  2. Step 2: Convert to fraction form
    877.31/1,901.44 = 1,901.44/x
  3. Step 3: Cross multiply
    877.31x = 1,901.44 × 1,901.44
  4. Step 4: Simplify right side
    877.31x = 3,615,464.57
  5. Step 5: Solve for x
    x = 3,615,464.57/877.31
  6. Step 6: Final answer
    x = 4,121.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.