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Finding the Third Proportional to 365,551 and 545,283

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Solution

The third proportional to 365,551 and 545,283 is: 813,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,551 : 545,283 = 545,283 : x
  2. Step 2: Convert to fraction form
    365,551/545,283 = 545,283/x
  3. Step 3: Cross multiply
    365,551x = 545,283 × 545,283
  4. Step 4: Simplify right side
    365,551x = 297,333,550,089
  5. Step 5: Solve for x
    x = 297,333,550,089/365,551
  6. Step 6: Final answer
    x = 813,384.59

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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.