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Finding the Third Proportional to 106,975.50 and 149,571

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Solution

The third proportional to 106,975.50 and 149,571 is: 209,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.50 : 149,571 = 149,571 : x
  2. Step 2: Convert to fraction form
    106,975.50/149,571 = 149,571/x
  3. Step 3: Cross multiply
    106,975.50x = 149,571 × 149,571
  4. Step 4: Simplify right side
    106,975.50x = 22,371,484,041
  5. Step 5: Solve for x
    x = 22,371,484,041/106,975.50
  6. Step 6: Final answer
    x = 209,127.17

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.