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Finding the Third Proportional to 118,926 and 161,986.50

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Solution

The third proportional to 118,926 and 161,986.50 is: 220,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,926 : 161,986.50 = 161,986.50 : x
  2. Step 2: Convert to fraction form
    118,926/161,986.50 = 161,986.50/x
  3. Step 3: Cross multiply
    118,926x = 161,986.50 × 161,986.50
  4. Step 4: Simplify right side
    118,926x = 26,239,626,182.25
  5. Step 5: Solve for x
    x = 26,239,626,182.25/118,926
  6. Step 6: Final answer
    x = 220,638.26

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.