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Finding the Third Proportional to 436,977 and 590,391

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Solution

The third proportional to 436,977 and 590,391 is: 797,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,977 : 590,391 = 590,391 : x
  2. Step 2: Convert to fraction form
    436,977/590,391 = 590,391/x
  3. Step 3: Cross multiply
    436,977x = 590,391 × 590,391
  4. Step 4: Simplify right side
    436,977x = 348,561,532,881
  5. Step 5: Solve for x
    x = 348,561,532,881/436,977
  6. Step 6: Final answer
    x = 797,665.63

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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.