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Finding the Third Proportional to 342,076.50 and 529,719.75

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Solution

The third proportional to 342,076.50 and 529,719.75 is: 820,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,076.50 : 529,719.75 = 529,719.75 : x
  2. Step 2: Convert to fraction form
    342,076.50/529,719.75 = 529,719.75/x
  3. Step 3: Cross multiply
    342,076.50x = 529,719.75 × 529,719.75
  4. Step 4: Simplify right side
    342,076.50x = 280,603,013,540.06
  5. Step 5: Solve for x
    x = 280,603,013,540.06/342,076.50
  6. Step 6: Final answer
    x = 820,293.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.