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Finding the Third Proportional to 90,483.75 and 140,896.13

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Solution

The third proportional to 90,483.75 and 140,896.13 is: 219,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,483.75 : 140,896.13 = 140,896.13 : x
  2. Step 2: Convert to fraction form
    90,483.75/140,896.13 = 140,896.13/x
  3. Step 3: Cross multiply
    90,483.75x = 140,896.13 × 140,896.13
  4. Step 4: Simplify right side
    90,483.75x = 19,851,718,040.02
  5. Step 5: Solve for x
    x = 19,851,718,040.02/90,483.75
  6. Step 6: Final answer
    x = 219,395.39

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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.