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Finding the Third Proportional to 602,779 and 818,652

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Solution

The third proportional to 602,779 and 818,652 is: 1,111,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,779 : 818,652 = 818,652 : x
  2. Step 2: Convert to fraction form
    602,779/818,652 = 818,652/x
  3. Step 3: Cross multiply
    602,779x = 818,652 × 818,652
  4. Step 4: Simplify right side
    602,779x = 670,191,097,104
  5. Step 5: Solve for x
    x = 670,191,097,104/602,779
  6. Step 6: Final answer
    x = 1,111,835.51

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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.