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Finding the Third Proportional to 21,663,172 and 47,060,964

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Solution

The third proportional to 21,663,172 and 47,060,964 is: 102,234,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663,172 : 47,060,964 = 47,060,964 : x
  2. Step 2: Convert to fraction form
    21,663,172/47,060,964 = 47,060,964/x
  3. Step 3: Cross multiply
    21,663,172x = 47,060,964 × 47,060,964
  4. Step 4: Simplify right side
    21,663,172x = 2,214,734,332,609,296
  5. Step 5: Solve for x
    x = 2,214,734,332,609,296/21,663,172
  6. Step 6: Final answer
    x = 102,234,997.38

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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.