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Finding the Third Proportional to 342,866 and 702,436

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Solution

The third proportional to 342,866 and 702,436 is: 1,439,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,866 : 702,436 = 702,436 : x
  2. Step 2: Convert to fraction form
    342,866/702,436 = 702,436/x
  3. Step 3: Cross multiply
    342,866x = 702,436 × 702,436
  4. Step 4: Simplify right side
    342,866x = 493,416,334,096
  5. Step 5: Solve for x
    x = 493,416,334,096/342,866
  6. Step 6: Final answer
    x = 1,439,093.80

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.