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Finding the Third Proportional to 280,482.75 and 608,020.17

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Solution

The third proportional to 280,482.75 and 608,020.17 is: 1,318,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,482.75 : 608,020.17 = 608,020.17 : x
  2. Step 2: Convert to fraction form
    280,482.75/608,020.17 = 608,020.17/x
  3. Step 3: Cross multiply
    280,482.75x = 608,020.17 × 608,020.17
  4. Step 4: Simplify right side
    280,482.75x = 369,688,529,406.91
  5. Step 5: Solve for x
    x = 369,688,529,406.91/280,482.75
  6. Step 6: Final answer
    x = 1,318,043.73

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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.