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Finding the Third Proportional to 534,040 and 826,628

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Solution

The third proportional to 534,040 and 826,628 is: 1,279,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,040 : 826,628 = 826,628 : x
  2. Step 2: Convert to fraction form
    534,040/826,628 = 826,628/x
  3. Step 3: Cross multiply
    534,040x = 826,628 × 826,628
  4. Step 4: Simplify right side
    534,040x = 683,313,850,384
  5. Step 5: Solve for x
    x = 683,313,850,384/534,040
  6. Step 6: Final answer
    x = 1,279,518.11

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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.