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Finding the Third Proportional to 2,875.13 and 4,395.38

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Solution

The third proportional to 2,875.13 and 4,395.38 is: 6,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.13 : 4,395.38 = 4,395.38 : x
  2. Step 2: Convert to fraction form
    2,875.13/4,395.38 = 4,395.38/x
  3. Step 3: Cross multiply
    2,875.13x = 4,395.38 × 4,395.38
  4. Step 4: Simplify right side
    2,875.13x = 19,319,321.39
  5. Step 5: Solve for x
    x = 19,319,321.39/2,875.13
  6. Step 6: Final answer
    x = 6,719.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.