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Finding the Third Proportional to 132,348 and 289,176

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Solution

The third proportional to 132,348 and 289,176 is: 631,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,348 : 289,176 = 289,176 : x
  2. Step 2: Convert to fraction form
    132,348/289,176 = 289,176/x
  3. Step 3: Cross multiply
    132,348x = 289,176 × 289,176
  4. Step 4: Simplify right side
    132,348x = 83,622,758,976
  5. Step 5: Solve for x
    x = 83,622,758,976/132,348
  6. Step 6: Final answer
    x = 631,839.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.