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Finding the Third Proportional to 13,220 and 14,292

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Solution

The third proportional to 13,220 and 14,292 is: 15,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220 : 14,292 = 14,292 : x
  2. Step 2: Convert to fraction form
    13,220/14,292 = 14,292/x
  3. Step 3: Cross multiply
    13,220x = 14,292 × 14,292
  4. Step 4: Simplify right side
    13,220x = 204,261,264
  5. Step 5: Solve for x
    x = 204,261,264/13,220
  6. Step 6: Final answer
    x = 15,450.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.