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Finding the Third Proportional to 364,788 and 545,724

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Solution

The third proportional to 364,788 and 545,724 is: 816,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,788 : 545,724 = 545,724 : x
  2. Step 2: Convert to fraction form
    364,788/545,724 = 545,724/x
  3. Step 3: Cross multiply
    364,788x = 545,724 × 545,724
  4. Step 4: Simplify right side
    364,788x = 297,814,684,176
  5. Step 5: Solve for x
    x = 297,814,684,176/364,788
  6. Step 6: Final answer
    x = 816,404.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.