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Finding the Third Proportional to 14,810 and 31,668

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Solution

The third proportional to 14,810 and 31,668 is: 67,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810 : 31,668 = 31,668 : x
  2. Step 2: Convert to fraction form
    14,810/31,668 = 31,668/x
  3. Step 3: Cross multiply
    14,810x = 31,668 × 31,668
  4. Step 4: Simplify right side
    14,810x = 1,002,862,224
  5. Step 5: Solve for x
    x = 1,002,862,224/14,810
  6. Step 6: Final answer
    x = 67,715.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.