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Finding the Third Proportional to 281,888 and 436,764

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Solution

The third proportional to 281,888 and 436,764 is: 676,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,888 : 436,764 = 436,764 : x
  2. Step 2: Convert to fraction form
    281,888/436,764 = 436,764/x
  3. Step 3: Cross multiply
    281,888x = 436,764 × 436,764
  4. Step 4: Simplify right side
    281,888x = 190,762,791,696
  5. Step 5: Solve for x
    x = 190,762,791,696/281,888
  6. Step 6: Final answer
    x = 676,732.57

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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.