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Finding the Third Proportional to 238,580 and 520,034

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Solution

The third proportional to 238,580 and 520,034 is: 1,133,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,580 : 520,034 = 520,034 : x
  2. Step 2: Convert to fraction form
    238,580/520,034 = 520,034/x
  3. Step 3: Cross multiply
    238,580x = 520,034 × 520,034
  4. Step 4: Simplify right side
    238,580x = 270,435,361,156
  5. Step 5: Solve for x
    x = 270,435,361,156/238,580
  6. Step 6: Final answer
    x = 1,133,520.67

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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.