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Finding the Third Proportional to 4,988,868 and 10,756,447

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Solution

The third proportional to 4,988,868 and 10,756,447 is: 23,191,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,868 : 10,756,447 = 10,756,447 : x
  2. Step 2: Convert to fraction form
    4,988,868/10,756,447 = 10,756,447/x
  3. Step 3: Cross multiply
    4,988,868x = 10,756,447 × 10,756,447
  4. Step 4: Simplify right side
    4,988,868x = 115,701,152,063,809
  5. Step 5: Solve for x
    x = 115,701,152,063,809/4,988,868
  6. Step 6: Final answer
    x = 23,191,864.78

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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.