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Finding the Third Proportional to 54,877.50 and 112,347

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Solution

The third proportional to 54,877.50 and 112,347 is: 230,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.50 : 112,347 = 112,347 : x
  2. Step 2: Convert to fraction form
    54,877.50/112,347 = 112,347/x
  3. Step 3: Cross multiply
    54,877.50x = 112,347 × 112,347
  4. Step 4: Simplify right side
    54,877.50x = 12,621,848,409
  5. Step 5: Solve for x
    x = 12,621,848,409/54,877.50
  6. Step 6: Final answer
    x = 230,000.43

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.