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Finding the Third Proportional to 812,200.50 and 1,262,598.75

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Solution

The third proportional to 812,200.50 and 1,262,598.75 is: 1,962,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,200.50 : 1,262,598.75 = 1,262,598.75 : x
  2. Step 2: Convert to fraction form
    812,200.50/1,262,598.75 = 1,262,598.75/x
  3. Step 3: Cross multiply
    812,200.50x = 1,262,598.75 × 1,262,598.75
  4. Step 4: Simplify right side
    812,200.50x = 1,594,155,603,501.56
  5. Step 5: Solve for x
    x = 1,594,155,603,501.56/812,200.50
  6. Step 6: Final answer
    x = 1,962,761.17

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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.