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Finding the Third Proportional to 155,877.38 and 336,078.19

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Solution

The third proportional to 155,877.38 and 336,078.19 is: 724,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,877.38 : 336,078.19 = 336,078.19 : x
  2. Step 2: Convert to fraction form
    155,877.38/336,078.19 = 336,078.19/x
  3. Step 3: Cross multiply
    155,877.38x = 336,078.19 × 336,078.19
  4. Step 4: Simplify right side
    155,877.38x = 112,948,548,113.29
  5. Step 5: Solve for x
    x = 112,948,548,113.29/155,877.38
  6. Step 6: Final answer
    x = 724,598.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.