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Finding the Third Proportional to 602,775 and 818,646.75

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Solution

The third proportional to 602,775 and 818,646.75 is: 1,111,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,775 : 818,646.75 = 818,646.75 : x
  2. Step 2: Convert to fraction form
    602,775/818,646.75 = 818,646.75/x
  3. Step 3: Cross multiply
    602,775x = 818,646.75 × 818,646.75
  4. Step 4: Simplify right side
    602,775x = 670,182,501,285.56
  5. Step 5: Solve for x
    x = 670,182,501,285.56/602,775
  6. Step 6: Final answer
    x = 1,111,828.63

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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.