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Finding the Third Proportional to 363,345.75 and 520,111.13

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Solution

The third proportional to 363,345.75 and 520,111.13 is: 744,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,345.75 : 520,111.13 = 520,111.13 : x
  2. Step 2: Convert to fraction form
    363,345.75/520,111.13 = 520,111.13/x
  3. Step 3: Cross multiply
    363,345.75x = 520,111.13 × 520,111.13
  4. Step 4: Simplify right side
    363,345.75x = 270,515,582,348.77
  5. Step 5: Solve for x
    x = 270,515,582,348.77/363,345.75
  6. Step 6: Final answer
    x = 744,512.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.