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Finding the Third Proportional to 106,889,606.25 and 165,243,019.50

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Solution

The third proportional to 106,889,606.25 and 165,243,019.50 is: 255,452,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,889,606.25 : 165,243,019.50 = 165,243,019.50 : x
  2. Step 2: Convert to fraction form
    106,889,606.25/165,243,019.50 = 165,243,019.50/x
  3. Step 3: Cross multiply
    106,889,606.25x = 165,243,019.50 × 165,243,019.50
  4. Step 4: Simplify right side
    106,889,606.25x = 27,305,255,493,477,380
  5. Step 5: Solve for x
    x = 27,305,255,493,477,380/106,889,606.25
  6. Step 6: Final answer
    x = 255,452,858.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.