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Finding the Third Proportional to 20,703.38 and 31,860.75

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Solution

The third proportional to 20,703.38 and 31,860.75 is: 49,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.38 : 31,860.75 = 31,860.75 : x
  2. Step 2: Convert to fraction form
    20,703.38/31,860.75 = 31,860.75/x
  3. Step 3: Cross multiply
    20,703.38x = 31,860.75 × 31,860.75
  4. Step 4: Simplify right side
    20,703.38x = 1,015,107,390.56
  5. Step 5: Solve for x
    x = 1,015,107,390.56/20,703.38
  6. Step 6: Final answer
    x = 49,031.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.