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Finding the Third Proportional to 61,740 and 88,722

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Solution

The third proportional to 61,740 and 88,722 is: 127,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,740 : 88,722 = 88,722 : x
  2. Step 2: Convert to fraction form
    61,740/88,722 = 88,722/x
  3. Step 3: Cross multiply
    61,740x = 88,722 × 88,722
  4. Step 4: Simplify right side
    61,740x = 7,871,593,284
  5. Step 5: Solve for x
    x = 7,871,593,284/61,740
  6. Step 6: Final answer
    x = 127,495.84

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.