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Finding the Third Proportional to 140,041 and 215,252.50

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Solution

The third proportional to 140,041 and 215,252.50 is: 330,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,041 : 215,252.50 = 215,252.50 : x
  2. Step 2: Convert to fraction form
    140,041/215,252.50 = 215,252.50/x
  3. Step 3: Cross multiply
    140,041x = 215,252.50 × 215,252.50
  4. Step 4: Simplify right side
    140,041x = 46,333,638,756.25
  5. Step 5: Solve for x
    x = 46,333,638,756.25/140,041
  6. Step 6: Final answer
    x = 330,857.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.