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Finding the Third Proportional to 21,179,864 and 46,243,858

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Solution

The third proportional to 21,179,864 and 46,243,858 is: 100,968,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179,864 : 46,243,858 = 46,243,858 : x
  2. Step 2: Convert to fraction form
    21,179,864/46,243,858 = 46,243,858/x
  3. Step 3: Cross multiply
    21,179,864x = 46,243,858 × 46,243,858
  4. Step 4: Simplify right side
    21,179,864x = 2,138,494,402,724,164
  5. Step 5: Solve for x
    x = 2,138,494,402,724,164/21,179,864
  6. Step 6: Final answer
    x = 100,968,278.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.