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Finding the Third Proportional to 3,938,834.25 and 8,549,901

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Solution

The third proportional to 3,938,834.25 and 8,549,901 is: 18,558,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,834.25 : 8,549,901 = 8,549,901 : x
  2. Step 2: Convert to fraction form
    3,938,834.25/8,549,901 = 8,549,901/x
  3. Step 3: Cross multiply
    3,938,834.25x = 8,549,901 × 8,549,901
  4. Step 4: Simplify right side
    3,938,834.25x = 73,100,807,109,801
  5. Step 5: Solve for x
    x = 73,100,807,109,801/3,938,834.25
  6. Step 6: Final answer
    x = 18,558,995.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.