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Finding the Third Proportional to 28,897 and 45,342.25

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Solution

The third proportional to 28,897 and 45,342.25 is: 71,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897 : 45,342.25 = 45,342.25 : x
  2. Step 2: Convert to fraction form
    28,897/45,342.25 = 45,342.25/x
  3. Step 3: Cross multiply
    28,897x = 45,342.25 × 45,342.25
  4. Step 4: Simplify right side
    28,897x = 2,055,919,635.06
  5. Step 5: Solve for x
    x = 2,055,919,635.06/28,897
  6. Step 6: Final answer
    x = 71,146.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.