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Finding the Third Proportional to 366,937 and 561,345

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Solution

The third proportional to 366,937 and 561,345 is: 858,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,937 : 561,345 = 561,345 : x
  2. Step 2: Convert to fraction form
    366,937/561,345 = 561,345/x
  3. Step 3: Cross multiply
    366,937x = 561,345 × 561,345
  4. Step 4: Simplify right side
    366,937x = 315,108,209,025
  5. Step 5: Solve for x
    x = 315,108,209,025/366,937
  6. Step 6: Final answer
    x = 858,752.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.