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Finding the Third Proportional to 13,445,046 and 20,327,643

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Solution

The third proportional to 13,445,046 and 20,327,643 is: 30,733,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,046 : 20,327,643 = 20,327,643 : x
  2. Step 2: Convert to fraction form
    13,445,046/20,327,643 = 20,327,643/x
  3. Step 3: Cross multiply
    13,445,046x = 20,327,643 × 20,327,643
  4. Step 4: Simplify right side
    13,445,046x = 413,213,069,935,449
  5. Step 5: Solve for x
    x = 413,213,069,935,449/13,445,046
  6. Step 6: Final answer
    x = 30,733,481.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.