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Finding the Third Proportional to 2,127.09 and 3,412.13

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Solution

The third proportional to 2,127.09 and 3,412.13 is: 5,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.09 : 3,412.13 = 3,412.13 : x
  2. Step 2: Convert to fraction form
    2,127.09/3,412.13 = 3,412.13/x
  3. Step 3: Cross multiply
    2,127.09x = 3,412.13 × 3,412.13
  4. Step 4: Simplify right side
    2,127.09x = 11,642,597.02
  5. Step 5: Solve for x
    x = 11,642,597.02/2,127.09
  6. Step 6: Final answer
    x = 5,473.48

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.