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Finding the Third Proportional to 367,842.50 and 499,275

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Solution

The third proportional to 367,842.50 and 499,275 is: 677,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,842.50 : 499,275 = 499,275 : x
  2. Step 2: Convert to fraction form
    367,842.50/499,275 = 499,275/x
  3. Step 3: Cross multiply
    367,842.50x = 499,275 × 499,275
  4. Step 4: Simplify right side
    367,842.50x = 249,275,525,625
  5. Step 5: Solve for x
    x = 249,275,525,625/367,842.50
  6. Step 6: Final answer
    x = 677,669.18

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.