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Finding the Third Proportional to 161,002.50 and 211,776.75

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Solution

The third proportional to 161,002.50 and 211,776.75 is: 278,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,002.50 : 211,776.75 = 211,776.75 : x
  2. Step 2: Convert to fraction form
    161,002.50/211,776.75 = 211,776.75/x
  3. Step 3: Cross multiply
    161,002.50x = 211,776.75 × 211,776.75
  4. Step 4: Simplify right side
    161,002.50x = 44,849,391,840.56
  5. Step 5: Solve for x
    x = 44,849,391,840.56/161,002.50
  6. Step 6: Final answer
    x = 278,563.33

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.