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Finding the Third Proportional to 27,109.13 and 41,720.63

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Solution

The third proportional to 27,109.13 and 41,720.63 is: 64,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.13 : 41,720.63 = 41,720.63 : x
  2. Step 2: Convert to fraction form
    27,109.13/41,720.63 = 41,720.63/x
  3. Step 3: Cross multiply
    27,109.13x = 41,720.63 × 41,720.63
  4. Step 4: Simplify right side
    27,109.13x = 1,740,610,550.39
  5. Step 5: Solve for x
    x = 1,740,610,550.39/27,109.13
  6. Step 6: Final answer
    x = 64,207.55

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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.