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Finding the Third Proportional to 28,858.50 and 45,110.25

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Solution

The third proportional to 28,858.50 and 45,110.25 is: 70,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.50 : 45,110.25 = 45,110.25 : x
  2. Step 2: Convert to fraction form
    28,858.50/45,110.25 = 45,110.25/x
  3. Step 3: Cross multiply
    28,858.50x = 45,110.25 × 45,110.25
  4. Step 4: Simplify right side
    28,858.50x = 2,034,934,655.06
  5. Step 5: Solve for x
    x = 2,034,934,655.06/28,858.50
  6. Step 6: Final answer
    x = 70,514.22

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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.