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Finding the Third Proportional to 21,920,556 and 47,073,176

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Solution

The third proportional to 21,920,556 and 47,073,176 is: 101,087,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,920,556 : 47,073,176 = 47,073,176 : x
  2. Step 2: Convert to fraction form
    21,920,556/47,073,176 = 47,073,176/x
  3. Step 3: Cross multiply
    21,920,556x = 47,073,176 × 47,073,176
  4. Step 4: Simplify right side
    21,920,556x = 2,215,883,898,726,976
  5. Step 5: Solve for x
    x = 2,215,883,898,726,976/21,920,556
  6. Step 6: Final answer
    x = 101,087,029.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.