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Finding the Third Proportional to 376,930.50 and 812,910

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Solution

The third proportional to 376,930.50 and 812,910 is: 1,753,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,930.50 : 812,910 = 812,910 : x
  2. Step 2: Convert to fraction form
    376,930.50/812,910 = 812,910/x
  3. Step 3: Cross multiply
    376,930.50x = 812,910 × 812,910
  4. Step 4: Simplify right side
    376,930.50x = 660,822,668,100
  5. Step 5: Solve for x
    x = 660,822,668,100/376,930.50
  6. Step 6: Final answer
    x = 1,753,168.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.