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Finding the Third Proportional to 57,798 and 124,207.50

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Solution

The third proportional to 57,798 and 124,207.50 is: 266,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798 : 124,207.50 = 124,207.50 : x
  2. Step 2: Convert to fraction form
    57,798/124,207.50 = 124,207.50/x
  3. Step 3: Cross multiply
    57,798x = 124,207.50 × 124,207.50
  4. Step 4: Simplify right side
    57,798x = 15,427,503,056.25
  5. Step 5: Solve for x
    x = 15,427,503,056.25/57,798
  6. Step 6: Final answer
    x = 266,921.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.