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Finding the Third Proportional to 14,386 and 21,580

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Solution

The third proportional to 14,386 and 21,580 is: 32,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386 : 21,580 = 21,580 : x
  2. Step 2: Convert to fraction form
    14,386/21,580 = 21,580/x
  3. Step 3: Cross multiply
    14,386x = 21,580 × 21,580
  4. Step 4: Simplify right side
    14,386x = 465,696,400
  5. Step 5: Solve for x
    x = 465,696,400/14,386
  6. Step 6: Final answer
    x = 32,371.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.