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Finding the Third Proportional to 68,053.50 and 148,257

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Solution

The third proportional to 68,053.50 and 148,257 is: 322,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.50 : 148,257 = 148,257 : x
  2. Step 2: Convert to fraction form
    68,053.50/148,257 = 148,257/x
  3. Step 3: Cross multiply
    68,053.50x = 148,257 × 148,257
  4. Step 4: Simplify right side
    68,053.50x = 21,980,138,049
  5. Step 5: Solve for x
    x = 21,980,138,049/68,053.50
  6. Step 6: Final answer
    x = 322,983.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.