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Finding the Third Proportional to 4,919,888 and 10,808,368

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Solution

The third proportional to 4,919,888 and 10,808,368 is: 23,744,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,888 : 10,808,368 = 10,808,368 : x
  2. Step 2: Convert to fraction form
    4,919,888/10,808,368 = 10,808,368/x
  3. Step 3: Cross multiply
    4,919,888x = 10,808,368 × 10,808,368
  4. Step 4: Simplify right side
    4,919,888x = 116,820,818,823,424
  5. Step 5: Solve for x
    x = 116,820,818,823,424/4,919,888
  6. Step 6: Final answer
    x = 23,744,609.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.