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Finding the Third Proportional to 106,926 and 149,488

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Solution

The third proportional to 106,926 and 149,488 is: 208,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,926 : 149,488 = 149,488 : x
  2. Step 2: Convert to fraction form
    106,926/149,488 = 149,488/x
  3. Step 3: Cross multiply
    106,926x = 149,488 × 149,488
  4. Step 4: Simplify right side
    106,926x = 22,346,662,144
  5. Step 5: Solve for x
    x = 22,346,662,144/106,926
  6. Step 6: Final answer
    x = 208,991.85

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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.