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Finding the Third Proportional to 61,741.50 and 127,719

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Solution

The third proportional to 61,741.50 and 127,719 is: 264,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,741.50 : 127,719 = 127,719 : x
  2. Step 2: Convert to fraction form
    61,741.50/127,719 = 127,719/x
  3. Step 3: Cross multiply
    61,741.50x = 127,719 × 127,719
  4. Step 4: Simplify right side
    61,741.50x = 16,312,142,961
  5. Step 5: Solve for x
    x = 16,312,142,961/61,741.50
  6. Step 6: Final answer
    x = 264,200.63

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.