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Finding the Third Proportional to 18,735,847 and 43,370,784

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Solution

The third proportional to 18,735,847 and 43,370,784 is: 100,397,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,847 : 43,370,784 = 43,370,784 : x
  2. Step 2: Convert to fraction form
    18,735,847/43,370,784 = 43,370,784/x
  3. Step 3: Cross multiply
    18,735,847x = 43,370,784 × 43,370,784
  4. Step 4: Simplify right side
    18,735,847x = 1,881,024,904,774,656
  5. Step 5: Solve for x
    x = 1,881,024,904,774,656/18,735,847
  6. Step 6: Final answer
    x = 100,397,110.67

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.