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Finding the Third Proportional to 1,378.41 and 3,004.66

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Solution

The third proportional to 1,378.41 and 3,004.66 is: 6,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378.41 : 3,004.66 = 3,004.66 : x
  2. Step 2: Convert to fraction form
    1,378.41/3,004.66 = 3,004.66/x
  3. Step 3: Cross multiply
    1,378.41x = 3,004.66 × 3,004.66
  4. Step 4: Simplify right side
    1,378.41x = 9,028,006.13
  5. Step 5: Solve for x
    x = 9,028,006.13/1,378.41
  6. Step 6: Final answer
    x = 6,549.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.