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Finding the Third Proportional to 39,789,200 and 63,270,960

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Solution

The third proportional to 39,789,200 and 63,270,960 is: 100,610,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789,200 : 63,270,960 = 63,270,960 : x
  2. Step 2: Convert to fraction form
    39,789,200/63,270,960 = 63,270,960/x
  3. Step 3: Cross multiply
    39,789,200x = 63,270,960 × 63,270,960
  4. Step 4: Simplify right side
    39,789,200x = 4,003,214,379,321,600
  5. Step 5: Solve for x
    x = 4,003,214,379,321,600/39,789,200
  6. Step 6: Final answer
    x = 100,610,577.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.