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Finding the Third Proportional to 28,305,646 and 42,414,021

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Solution

The third proportional to 28,305,646 and 42,414,021 is: 63,554,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305,646 : 42,414,021 = 42,414,021 : x
  2. Step 2: Convert to fraction form
    28,305,646/42,414,021 = 42,414,021/x
  3. Step 3: Cross multiply
    28,305,646x = 42,414,021 × 42,414,021
  4. Step 4: Simplify right side
    28,305,646x = 1,798,949,177,388,441
  5. Step 5: Solve for x
    x = 1,798,949,177,388,441/28,305,646
  6. Step 6: Final answer
    x = 63,554,429.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.