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Finding the Third Proportional to 69,219 and 98,983

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Solution

The third proportional to 69,219 and 98,983 is: 141,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,219 : 98,983 = 98,983 : x
  2. Step 2: Convert to fraction form
    69,219/98,983 = 98,983/x
  3. Step 3: Cross multiply
    69,219x = 98,983 × 98,983
  4. Step 4: Simplify right side
    69,219x = 9,797,634,289
  5. Step 5: Solve for x
    x = 9,797,634,289/69,219
  6. Step 6: Final answer
    x = 141,545.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.