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Finding the Third Proportional to 21,389,648 and 46,188,484

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Solution

The third proportional to 21,389,648 and 46,188,484 is: 99,738,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,648 : 46,188,484 = 46,188,484 : x
  2. Step 2: Convert to fraction form
    21,389,648/46,188,484 = 46,188,484/x
  3. Step 3: Cross multiply
    21,389,648x = 46,188,484 × 46,188,484
  4. Step 4: Simplify right side
    21,389,648x = 2,133,376,054,218,256
  5. Step 5: Solve for x
    x = 2,133,376,054,218,256/21,389,648
  6. Step 6: Final answer
    x = 99,738,717.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.