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Finding the Third Proportional to 132,359 and 285,454

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Solution

The third proportional to 132,359 and 285,454 is: 615,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359 : 285,454 = 285,454 : x
  2. Step 2: Convert to fraction form
    132,359/285,454 = 285,454/x
  3. Step 3: Cross multiply
    132,359x = 285,454 × 285,454
  4. Step 4: Simplify right side
    132,359x = 81,483,986,116
  5. Step 5: Solve for x
    x = 81,483,986,116/132,359
  6. Step 6: Final answer
    x = 615,628.60

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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.