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Finding the Third Proportional to 356,828.63 and 521,847

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Solution

The third proportional to 356,828.63 and 521,847 is: 763,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,828.63 : 521,847 = 521,847 : x
  2. Step 2: Convert to fraction form
    356,828.63/521,847 = 521,847/x
  3. Step 3: Cross multiply
    356,828.63x = 521,847 × 521,847
  4. Step 4: Simplify right side
    356,828.63x = 272,324,291,409
  5. Step 5: Solve for x
    x = 272,324,291,409/356,828.63
  6. Step 6: Final answer
    x = 763,179.50

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.