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Finding the Third Proportional to 20,153.81 and 27,360.28

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Solution

The third proportional to 20,153.81 and 27,360.28 is: 37,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.81 : 27,360.28 = 27,360.28 : x
  2. Step 2: Convert to fraction form
    20,153.81/27,360.28 = 27,360.28/x
  3. Step 3: Cross multiply
    20,153.81x = 27,360.28 × 27,360.28
  4. Step 4: Simplify right side
    20,153.81x = 748,584,990.08
  5. Step 5: Solve for x
    x = 748,584,990.08/20,153.81
  6. Step 6: Final answer
    x = 37,143.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.