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Finding the Third Proportional to 18,632,000 and 40,739,728

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Solution

The third proportional to 18,632,000 and 40,739,728 is: 89,079,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632,000 : 40,739,728 = 40,739,728 : x
  2. Step 2: Convert to fraction form
    18,632,000/40,739,728 = 40,739,728/x
  3. Step 3: Cross multiply
    18,632,000x = 40,739,728 × 40,739,728
  4. Step 4: Simplify right side
    18,632,000x = 1,659,725,437,513,984
  5. Step 5: Solve for x
    x = 1,659,725,437,513,984/18,632,000
  6. Step 6: Final answer
    x = 89,079,295.70

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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.