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Finding the Third Proportional to 14,127 and 30,578

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Solution

The third proportional to 14,127 and 30,578 is: 66,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127 : 30,578 = 30,578 : x
  2. Step 2: Convert to fraction form
    14,127/30,578 = 30,578/x
  3. Step 3: Cross multiply
    14,127x = 30,578 × 30,578
  4. Step 4: Simplify right side
    14,127x = 935,014,084
  5. Step 5: Solve for x
    x = 935,014,084/14,127
  6. Step 6: Final answer
    x = 66,186.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.