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Finding the Third Proportional to 280,482 and 608,520

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Solution

The third proportional to 280,482 and 608,520 is: 1,320,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,482 : 608,520 = 608,520 : x
  2. Step 2: Convert to fraction form
    280,482/608,520 = 608,520/x
  3. Step 3: Cross multiply
    280,482x = 608,520 × 608,520
  4. Step 4: Simplify right side
    280,482x = 370,296,590,400
  5. Step 5: Solve for x
    x = 370,296,590,400/280,482
  6. Step 6: Final answer
    x = 1,320,215.17

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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.