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Finding the Third Proportional to 281,560 and 436,336

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Solution

The third proportional to 281,560 and 436,336 is: 676,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,560 : 436,336 = 436,336 : x
  2. Step 2: Convert to fraction form
    281,560/436,336 = 436,336/x
  3. Step 3: Cross multiply
    281,560x = 436,336 × 436,336
  4. Step 4: Simplify right side
    281,560x = 190,389,104,896
  5. Step 5: Solve for x
    x = 190,389,104,896/281,560
  6. Step 6: Final answer
    x = 676,193.72

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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.