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Finding the Third Proportional to 524,920.50 and 814,353.75

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Solution

The third proportional to 524,920.50 and 814,353.75 is: 1,263,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,920.50 : 814,353.75 = 814,353.75 : x
  2. Step 2: Convert to fraction form
    524,920.50/814,353.75 = 814,353.75/x
  3. Step 3: Cross multiply
    524,920.50x = 814,353.75 × 814,353.75
  4. Step 4: Simplify right side
    524,920.50x = 663,172,030,139.06
  5. Step 5: Solve for x
    x = 663,172,030,139.06/524,920.50
  6. Step 6: Final answer
    x = 1,263,376.13

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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.