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Finding the Third Proportional to 28,867.50 and 45,124.50

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Solution

The third proportional to 28,867.50 and 45,124.50 is: 70,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.50 : 45,124.50 = 45,124.50 : x
  2. Step 2: Convert to fraction form
    28,867.50/45,124.50 = 45,124.50/x
  3. Step 3: Cross multiply
    28,867.50x = 45,124.50 × 45,124.50
  4. Step 4: Simplify right side
    28,867.50x = 2,036,220,500.25
  5. Step 5: Solve for x
    x = 2,036,220,500.25/28,867.50
  6. Step 6: Final answer
    x = 70,536.78

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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.