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Finding the Third Proportional to 9,160,956 and 19,900,440

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Solution

The third proportional to 9,160,956 and 19,900,440 is: 43,229,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,956 : 19,900,440 = 19,900,440 : x
  2. Step 2: Convert to fraction form
    9,160,956/19,900,440 = 19,900,440/x
  3. Step 3: Cross multiply
    9,160,956x = 19,900,440 × 19,900,440
  4. Step 4: Simplify right side
    9,160,956x = 396,027,512,193,600
  5. Step 5: Solve for x
    x = 396,027,512,193,600/9,160,956
  6. Step 6: Final answer
    x = 43,229,932.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.