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Finding the Third Proportional to 21,011,992 and 46,009,800

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Solution

The third proportional to 21,011,992 and 46,009,800 is: 100,747,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,992 : 46,009,800 = 46,009,800 : x
  2. Step 2: Convert to fraction form
    21,011,992/46,009,800 = 46,009,800/x
  3. Step 3: Cross multiply
    21,011,992x = 46,009,800 × 46,009,800
  4. Step 4: Simplify right side
    21,011,992x = 2,116,901,696,040,000
  5. Step 5: Solve for x
    x = 2,116,901,696,040,000/21,011,992
  6. Step 6: Final answer
    x = 100,747,311.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.