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Finding the Third Proportional to 109,079 and 235,669

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Solution

The third proportional to 109,079 and 235,669 is: 509,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079 : 235,669 = 235,669 : x
  2. Step 2: Convert to fraction form
    109,079/235,669 = 235,669/x
  3. Step 3: Cross multiply
    109,079x = 235,669 × 235,669
  4. Step 4: Simplify right side
    109,079x = 55,539,877,561
  5. Step 5: Solve for x
    x = 55,539,877,561/109,079
  6. Step 6: Final answer
    x = 509,171.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.