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Finding the Third Proportional to 602,781.75 and 818,631.56

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Solution

The third proportional to 602,781.75 and 818,631.56 is: 1,111,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,781.75 : 818,631.56 = 818,631.56 : x
  2. Step 2: Convert to fraction form
    602,781.75/818,631.56 = 818,631.56/x
  3. Step 3: Cross multiply
    602,781.75x = 818,631.56 × 818,631.56
  4. Step 4: Simplify right side
    602,781.75x = 670,157,635,121.19
  5. Step 5: Solve for x
    x = 670,157,635,121.19/602,781.75
  6. Step 6: Final answer
    x = 1,111,774.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.