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Finding the Third Proportional to 119,272.50 and 161,412.75

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Solution

The third proportional to 119,272.50 and 161,412.75 is: 218,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.50 : 161,412.75 = 161,412.75 : x
  2. Step 2: Convert to fraction form
    119,272.50/161,412.75 = 161,412.75/x
  3. Step 3: Cross multiply
    119,272.50x = 161,412.75 × 161,412.75
  4. Step 4: Simplify right side
    119,272.50x = 26,054,075,862.56
  5. Step 5: Solve for x
    x = 26,054,075,862.56/119,272.50
  6. Step 6: Final answer
    x = 218,441.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.