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Finding the Third Proportional to 9,481,323 and 20,808,129

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Solution

The third proportional to 9,481,323 and 20,808,129 is: 45,666,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481,323 : 20,808,129 = 20,808,129 : x
  2. Step 2: Convert to fraction form
    9,481,323/20,808,129 = 20,808,129/x
  3. Step 3: Cross multiply
    9,481,323x = 20,808,129 × 20,808,129
  4. Step 4: Simplify right side
    9,481,323x = 432,978,232,480,641
  5. Step 5: Solve for x
    x = 432,978,232,480,641/9,481,323
  6. Step 6: Final answer
    x = 45,666,436.26

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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.