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Finding the Third Proportional to 35,079 and 74,481

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Solution

The third proportional to 35,079 and 74,481 is: 158,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079 : 74,481 = 74,481 : x
  2. Step 2: Convert to fraction form
    35,079/74,481 = 74,481/x
  3. Step 3: Cross multiply
    35,079x = 74,481 × 74,481
  4. Step 4: Simplify right side
    35,079x = 5,547,419,361
  5. Step 5: Solve for x
    x = 5,547,419,361/35,079
  6. Step 6: Final answer
    x = 158,140.75

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.