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Finding the Third Proportional to 18,422,646 and 28,896,142

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Solution

The third proportional to 18,422,646 and 28,896,142 is: 45,323,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422,646 : 28,896,142 = 28,896,142 : x
  2. Step 2: Convert to fraction form
    18,422,646/28,896,142 = 28,896,142/x
  3. Step 3: Cross multiply
    18,422,646x = 28,896,142 × 28,896,142
  4. Step 4: Simplify right side
    18,422,646x = 834,987,022,484,164
  5. Step 5: Solve for x
    x = 834,987,022,484,164/18,422,646
  6. Step 6: Final answer
    x = 45,323,946.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.