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Finding the Third Proportional to 21,578,959 and 46,228,223

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Solution

The third proportional to 21,578,959 and 46,228,223 is: 99,033,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,959 : 46,228,223 = 46,228,223 : x
  2. Step 2: Convert to fraction form
    21,578,959/46,228,223 = 46,228,223/x
  3. Step 3: Cross multiply
    21,578,959x = 46,228,223 × 46,228,223
  4. Step 4: Simplify right side
    21,578,959x = 2,137,048,601,737,729
  5. Step 5: Solve for x
    x = 2,137,048,601,737,729/21,578,959
  6. Step 6: Final answer
    x = 99,033,906.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.