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Finding the Third Proportional to 281,864 and 610,960

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Solution

The third proportional to 281,864 and 610,960 is: 1,324,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,864 : 610,960 = 610,960 : x
  2. Step 2: Convert to fraction form
    281,864/610,960 = 610,960/x
  3. Step 3: Cross multiply
    281,864x = 610,960 × 610,960
  4. Step 4: Simplify right side
    281,864x = 373,272,121,600
  5. Step 5: Solve for x
    x = 373,272,121,600/281,864
  6. Step 6: Final answer
    x = 1,324,298.67

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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.