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Finding the Third Proportional to 170,640.11 and 371,368.55

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Solution

The third proportional to 170,640.11 and 371,368.55 is: 808,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,640.11 : 371,368.55 = 371,368.55 : x
  2. Step 2: Convert to fraction form
    170,640.11/371,368.55 = 371,368.55/x
  3. Step 3: Cross multiply
    170,640.11x = 371,368.55 × 371,368.55
  4. Step 4: Simplify right side
    170,640.11x = 137,914,597,608.05
  5. Step 5: Solve for x
    x = 137,914,597,608.05/170,640.11
  6. Step 6: Final answer
    x = 808,219.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.