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Finding the Third Proportional to 538,861.50 and 784,599.50

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Solution

The third proportional to 538,861.50 and 784,599.50 is: 1,142,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,861.50 : 784,599.50 = 784,599.50 : x
  2. Step 2: Convert to fraction form
    538,861.50/784,599.50 = 784,599.50/x
  3. Step 3: Cross multiply
    538,861.50x = 784,599.50 × 784,599.50
  4. Step 4: Simplify right side
    538,861.50x = 615,596,375,400.25
  5. Step 5: Solve for x
    x = 615,596,375,400.25/538,861.50
  6. Step 6: Final answer
    x = 1,142,401.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.