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Finding the Third Proportional to 18,291,168 and 39,011,616

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Solution

The third proportional to 18,291,168 and 39,011,616 is: 83,204,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,168 : 39,011,616 = 39,011,616 : x
  2. Step 2: Convert to fraction form
    18,291,168/39,011,616 = 39,011,616/x
  3. Step 3: Cross multiply
    18,291,168x = 39,011,616 × 39,011,616
  4. Step 4: Simplify right side
    18,291,168x = 1,521,906,182,931,456
  5. Step 5: Solve for x
    x = 1,521,906,182,931,456/18,291,168
  6. Step 6: Final answer
    x = 83,204,428.66

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.