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Finding the Third Proportional to 25,140 and 55,302

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Solution

The third proportional to 25,140 and 55,302 is: 121,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140 : 55,302 = 55,302 : x
  2. Step 2: Convert to fraction form
    25,140/55,302 = 55,302/x
  3. Step 3: Cross multiply
    25,140x = 55,302 × 55,302
  4. Step 4: Simplify right side
    25,140x = 3,058,311,204
  5. Step 5: Solve for x
    x = 3,058,311,204/25,140
  6. Step 6: Final answer
    x = 121,651.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.