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Finding the Third Proportional to 436,974 and 590,385

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Solution

The third proportional to 436,974 and 590,385 is: 797,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,974 : 590,385 = 590,385 : x
  2. Step 2: Convert to fraction form
    436,974/590,385 = 590,385/x
  3. Step 3: Cross multiply
    436,974x = 590,385 × 590,385
  4. Step 4: Simplify right side
    436,974x = 348,554,448,225
  5. Step 5: Solve for x
    x = 348,554,448,225/436,974
  6. Step 6: Final answer
    x = 797,654.89

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.