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Finding the Third Proportional to 20,223,970 and 43,680,123

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Solution

The third proportional to 20,223,970 and 43,680,123 is: 94,341,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,970 : 43,680,123 = 43,680,123 : x
  2. Step 2: Convert to fraction form
    20,223,970/43,680,123 = 43,680,123/x
  3. Step 3: Cross multiply
    20,223,970x = 43,680,123 × 43,680,123
  4. Step 4: Simplify right side
    20,223,970x = 1,907,953,145,295,129
  5. Step 5: Solve for x
    x = 1,907,953,145,295,129/20,223,970
  6. Step 6: Final answer
    x = 94,341,177.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.