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Finding the Third Proportional to 267,360.75 and 399,688.88

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Solution

The third proportional to 267,360.75 and 399,688.88 is: 597,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,360.75 : 399,688.88 = 399,688.88 : x
  2. Step 2: Convert to fraction form
    267,360.75/399,688.88 = 399,688.88/x
  3. Step 3: Cross multiply
    267,360.75x = 399,688.88 × 399,688.88
  4. Step 4: Simplify right side
    267,360.75x = 159,751,196,798.77
  5. Step 5: Solve for x
    x = 159,751,196,798.77/267,360.75
  6. Step 6: Final answer
    x = 597,511.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.