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Finding the Third Proportional to 4,987,858 and 10,721,622

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Solution

The third proportional to 4,987,858 and 10,721,622 is: 23,046,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,858 : 10,721,622 = 10,721,622 : x
  2. Step 2: Convert to fraction form
    4,987,858/10,721,622 = 10,721,622/x
  3. Step 3: Cross multiply
    4,987,858x = 10,721,622 × 10,721,622
  4. Step 4: Simplify right side
    4,987,858x = 114,953,178,310,884
  5. Step 5: Solve for x
    x = 114,953,178,310,884/4,987,858
  6. Step 6: Final answer
    x = 23,046,602.03

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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.