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Finding the Third Proportional to 57,726 and 120,070

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Solution

The third proportional to 57,726 and 120,070 is: 249,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726 : 120,070 = 120,070 : x
  2. Step 2: Convert to fraction form
    57,726/120,070 = 120,070/x
  3. Step 3: Cross multiply
    57,726x = 120,070 × 120,070
  4. Step 4: Simplify right side
    57,726x = 14,416,804,900
  5. Step 5: Solve for x
    x = 14,416,804,900/57,726
  6. Step 6: Final answer
    x = 249,745.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.