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Finding the Third Proportional to 282,007 and 436,880

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Solution

The third proportional to 282,007 and 436,880 is: 676,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,007 : 436,880 = 436,880 : x
  2. Step 2: Convert to fraction form
    282,007/436,880 = 436,880/x
  3. Step 3: Cross multiply
    282,007x = 436,880 × 436,880
  4. Step 4: Simplify right side
    282,007x = 190,864,134,400
  5. Step 5: Solve for x
    x = 190,864,134,400/282,007
  6. Step 6: Final answer
    x = 676,806.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.