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Finding the Third Proportional to 13,120,081 and 18,085,772

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Solution

The third proportional to 13,120,081 and 18,085,772 is: 24,930,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,081 : 18,085,772 = 18,085,772 : x
  2. Step 2: Convert to fraction form
    13,120,081/18,085,772 = 18,085,772/x
  3. Step 3: Cross multiply
    13,120,081x = 18,085,772 × 18,085,772
  4. Step 4: Simplify right side
    13,120,081x = 327,095,148,835,984
  5. Step 5: Solve for x
    x = 327,095,148,835,984/13,120,081
  6. Step 6: Final answer
    x = 24,930,878.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.