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Finding the Third Proportional to 365,545 and 545,275

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Solution

The third proportional to 365,545 and 545,275 is: 813,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,545 : 545,275 = 545,275 : x
  2. Step 2: Convert to fraction form
    365,545/545,275 = 545,275/x
  3. Step 3: Cross multiply
    365,545x = 545,275 × 545,275
  4. Step 4: Simplify right side
    365,545x = 297,324,825,625
  5. Step 5: Solve for x
    x = 297,324,825,625/365,545
  6. Step 6: Final answer
    x = 813,374.07

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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.