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Finding the Third Proportional to 55,953.50 and 120,843.50

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Solution

The third proportional to 55,953.50 and 120,843.50 is: 260,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.50 : 120,843.50 = 120,843.50 : x
  2. Step 2: Convert to fraction form
    55,953.50/120,843.50 = 120,843.50/x
  3. Step 3: Cross multiply
    55,953.50x = 120,843.50 × 120,843.50
  4. Step 4: Simplify right side
    55,953.50x = 14,603,151,492.25
  5. Step 5: Solve for x
    x = 14,603,151,492.25/55,953.50
  6. Step 6: Final answer
    x = 260,987.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.