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Finding the Third Proportional to 28,860.75 and 45,114.75

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Solution

The third proportional to 28,860.75 and 45,114.75 is: 70,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.75 : 45,114.75 = 45,114.75 : x
  2. Step 2: Convert to fraction form
    28,860.75/45,114.75 = 45,114.75/x
  3. Step 3: Cross multiply
    28,860.75x = 45,114.75 × 45,114.75
  4. Step 4: Simplify right side
    28,860.75x = 2,035,340,667.56
  5. Step 5: Solve for x
    x = 2,035,340,667.56/28,860.75
  6. Step 6: Final answer
    x = 70,522.79

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.