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Finding the Third Proportional to 20,341.13 and 29,578.50

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Solution

The third proportional to 20,341.13 and 29,578.50 is: 43,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.13 : 29,578.50 = 29,578.50 : x
  2. Step 2: Convert to fraction form
    20,341.13/29,578.50 = 29,578.50/x
  3. Step 3: Cross multiply
    20,341.13x = 29,578.50 × 29,578.50
  4. Step 4: Simplify right side
    20,341.13x = 874,887,662.25
  5. Step 5: Solve for x
    x = 874,887,662.25/20,341.13
  6. Step 6: Final answer
    x = 43,010.78

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.