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Finding the Third Proportional to 57,746.25 and 120,028.50

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Solution

The third proportional to 57,746.25 and 120,028.50 is: 249,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.25 : 120,028.50 = 120,028.50 : x
  2. Step 2: Convert to fraction form
    57,746.25/120,028.50 = 120,028.50/x
  3. Step 3: Cross multiply
    57,746.25x = 120,028.50 × 120,028.50
  4. Step 4: Simplify right side
    57,746.25x = 14,406,840,812.25
  5. Step 5: Solve for x
    x = 14,406,840,812.25/57,746.25
  6. Step 6: Final answer
    x = 249,485.31

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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.