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Finding the Third Proportional to 64,033.50 and 139,731

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Solution

The third proportional to 64,033.50 and 139,731 is: 304,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,033.50 : 139,731 = 139,731 : x
  2. Step 2: Convert to fraction form
    64,033.50/139,731 = 139,731/x
  3. Step 3: Cross multiply
    64,033.50x = 139,731 × 139,731
  4. Step 4: Simplify right side
    64,033.50x = 19,524,752,361
  5. Step 5: Solve for x
    x = 19,524,752,361/64,033.50
  6. Step 6: Final answer
    x = 304,914.65

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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.