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Finding the Third Proportional to 272,322.75 and 419,968.13

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Solution

The third proportional to 272,322.75 and 419,968.13 is: 647,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,322.75 : 419,968.13 = 419,968.13 : x
  2. Step 2: Convert to fraction form
    272,322.75/419,968.13 = 419,968.13/x
  3. Step 3: Cross multiply
    272,322.75x = 419,968.13 × 419,968.13
  4. Step 4: Simplify right side
    272,322.75x = 176,373,226,016.02
  5. Step 5: Solve for x
    x = 176,373,226,016.02/272,322.75
  6. Step 6: Final answer
    x = 647,662.47

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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.