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Finding the Third Proportional to 155,325.38 and 335,115

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Solution

The third proportional to 155,325.38 and 335,115 is: 723,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,325.38 : 335,115 = 335,115 : x
  2. Step 2: Convert to fraction form
    155,325.38/335,115 = 335,115/x
  3. Step 3: Cross multiply
    155,325.38x = 335,115 × 335,115
  4. Step 4: Simplify right side
    155,325.38x = 112,302,063,225
  5. Step 5: Solve for x
    x = 112,302,063,225/155,325.38
  6. Step 6: Final answer
    x = 723,011.70

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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.