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Finding the Third Proportional to 9,109.13 and 20,152.13

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Solution

The third proportional to 9,109.13 and 20,152.13 is: 44,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.13 : 20,152.13 = 20,152.13 : x
  2. Step 2: Convert to fraction form
    9,109.13/20,152.13 = 20,152.13/x
  3. Step 3: Cross multiply
    9,109.13x = 20,152.13 × 20,152.13
  4. Step 4: Simplify right side
    9,109.13x = 406,108,142.02
  5. Step 5: Solve for x
    x = 406,108,142.02/9,109.13
  6. Step 6: Final answer
    x = 44,582.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.