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Finding the Third Proportional to 280,532 and 608,085

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Solution

The third proportional to 280,532 and 608,085 is: 1,318,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,532 : 608,085 = 608,085 : x
  2. Step 2: Convert to fraction form
    280,532/608,085 = 608,085/x
  3. Step 3: Cross multiply
    280,532x = 608,085 × 608,085
  4. Step 4: Simplify right side
    280,532x = 369,767,367,225
  5. Step 5: Solve for x
    x = 369,767,367,225/280,532
  6. Step 6: Final answer
    x = 1,318,093.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.