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Finding the Third Proportional to 412,145.50 and 868,571

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Solution

The third proportional to 412,145.50 and 868,571 is: 1,830,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,145.50 : 868,571 = 868,571 : x
  2. Step 2: Convert to fraction form
    412,145.50/868,571 = 868,571/x
  3. Step 3: Cross multiply
    412,145.50x = 868,571 × 868,571
  4. Step 4: Simplify right side
    412,145.50x = 754,415,582,041
  5. Step 5: Solve for x
    x = 754,415,582,041/412,145.50
  6. Step 6: Final answer
    x = 1,830,459.35

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.