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Finding the Third Proportional to 10,664,672 and 15,198,888

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Solution

The third proportional to 10,664,672 and 15,198,888 is: 21,660,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664,672 : 15,198,888 = 15,198,888 : x
  2. Step 2: Convert to fraction form
    10,664,672/15,198,888 = 15,198,888/x
  3. Step 3: Cross multiply
    10,664,672x = 15,198,888 × 15,198,888
  4. Step 4: Simplify right side
    10,664,672x = 231,006,196,436,544
  5. Step 5: Solve for x
    x = 231,006,196,436,544/10,664,672
  6. Step 6: Final answer
    x = 21,660,881.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.