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Finding the Third Proportional to 9,219,372 and 13,530,069

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Solution

The third proportional to 9,219,372 and 13,530,069 is: 19,856,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,372 : 13,530,069 = 13,530,069 : x
  2. Step 2: Convert to fraction form
    9,219,372/13,530,069 = 13,530,069/x
  3. Step 3: Cross multiply
    9,219,372x = 13,530,069 × 13,530,069
  4. Step 4: Simplify right side
    9,219,372x = 183,062,767,144,761
  5. Step 5: Solve for x
    x = 183,062,767,144,761/9,219,372
  6. Step 6: Final answer
    x = 19,856,316.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.