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Finding the Third Proportional to 4,169,867 and 9,136,896

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Solution

The third proportional to 4,169,867 and 9,136,896 is: 20,020,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169,867 : 9,136,896 = 9,136,896 : x
  2. Step 2: Convert to fraction form
    4,169,867/9,136,896 = 9,136,896/x
  3. Step 3: Cross multiply
    4,169,867x = 9,136,896 × 9,136,896
  4. Step 4: Simplify right side
    4,169,867x = 83,482,868,514,816
  5. Step 5: Solve for x
    x = 83,482,868,514,816/4,169,867
  6. Step 6: Final answer
    x = 20,020,511.09

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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.