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Finding the Third Proportional to 202,282.50 and 291,381

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Solution

The third proportional to 202,282.50 and 291,381 is: 419,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,282.50 : 291,381 = 291,381 : x
  2. Step 2: Convert to fraction form
    202,282.50/291,381 = 291,381/x
  3. Step 3: Cross multiply
    202,282.50x = 291,381 × 291,381
  4. Step 4: Simplify right side
    202,282.50x = 84,902,887,161
  5. Step 5: Solve for x
    x = 84,902,887,161/202,282.50
  6. Step 6: Final answer
    x = 419,724.33

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.