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Finding the Third Proportional to 21,084,272 and 46,202,920

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Solution

The third proportional to 21,084,272 and 46,202,920 is: 101,246,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084,272 : 46,202,920 = 46,202,920 : x
  2. Step 2: Convert to fraction form
    21,084,272/46,202,920 = 46,202,920/x
  3. Step 3: Cross multiply
    21,084,272x = 46,202,920 × 46,202,920
  4. Step 4: Simplify right side
    21,084,272x = 2,134,709,816,526,400
  5. Step 5: Solve for x
    x = 2,134,709,816,526,400/21,084,272
  6. Step 6: Final answer
    x = 101,246,550.82

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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.