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Finding the Third Proportional to 10,239,356 and 21,998,262

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Solution

The third proportional to 10,239,356 and 21,998,262 is: 47,261,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,356 : 21,998,262 = 21,998,262 : x
  2. Step 2: Convert to fraction form
    10,239,356/21,998,262 = 21,998,262/x
  3. Step 3: Cross multiply
    10,239,356x = 21,998,262 × 21,998,262
  4. Step 4: Simplify right side
    10,239,356x = 483,923,531,020,644
  5. Step 5: Solve for x
    x = 483,923,531,020,644/10,239,356
  6. Step 6: Final answer
    x = 47,261,129.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.