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Finding the Third Proportional to 4,788,721 and 10,508,747

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Solution

The third proportional to 4,788,721 and 10,508,747 is: 23,061,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,721 : 10,508,747 = 10,508,747 : x
  2. Step 2: Convert to fraction form
    4,788,721/10,508,747 = 10,508,747/x
  3. Step 3: Cross multiply
    4,788,721x = 10,508,747 × 10,508,747
  4. Step 4: Simplify right side
    4,788,721x = 110,433,763,510,009
  5. Step 5: Solve for x
    x = 110,433,763,510,009/4,788,721
  6. Step 6: Final answer
    x = 23,061,223.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.