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Finding the Third Proportional to 4,621,586 and 9,973,902

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Solution

The third proportional to 4,621,586 and 9,973,902 is: 21,524,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,586 : 9,973,902 = 9,973,902 : x
  2. Step 2: Convert to fraction form
    4,621,586/9,973,902 = 9,973,902/x
  3. Step 3: Cross multiply
    4,621,586x = 9,973,902 × 9,973,902
  4. Step 4: Simplify right side
    4,621,586x = 99,478,721,105,604
  5. Step 5: Solve for x
    x = 99,478,721,105,604/4,621,586
  6. Step 6: Final answer
    x = 21,524,801.47

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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.