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Finding the Third Proportional to 9,257,360 and 18,965,728

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Solution

The third proportional to 9,257,360 and 18,965,728 is: 38,855,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257,360 : 18,965,728 = 18,965,728 : x
  2. Step 2: Convert to fraction form
    9,257,360/18,965,728 = 18,965,728/x
  3. Step 3: Cross multiply
    9,257,360x = 18,965,728 × 18,965,728
  4. Step 4: Simplify right side
    9,257,360x = 359,698,838,569,984
  5. Step 5: Solve for x
    x = 359,698,838,569,984/9,257,360
  6. Step 6: Final answer
    x = 38,855,444.59

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.