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Finding the Third Proportional to 3,738,319.59 and 8,168,551.31

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Solution

The third proportional to 3,738,319.59 and 8,168,551.31 is: 17,848,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,319.59 : 8,168,551.31 = 8,168,551.31 : x
  2. Step 2: Convert to fraction form
    3,738,319.59/8,168,551.31 = 8,168,551.31/x
  3. Step 3: Cross multiply
    3,738,319.59x = 8,168,551.31 × 8,168,551.31
  4. Step 4: Simplify right side
    3,738,319.59x = 66,725,230,544,945.47
  5. Step 5: Solve for x
    x = 66,725,230,544,945.47/3,738,319.59
  6. Step 6: Final answer
    x = 17,848,990.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.