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Finding the Third Proportional to 21,572,997 and 46,216,542

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Solution

The third proportional to 21,572,997 and 46,216,542 is: 99,011,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,997 : 46,216,542 = 46,216,542 : x
  2. Step 2: Convert to fraction form
    21,572,997/46,216,542 = 46,216,542/x
  3. Step 3: Cross multiply
    21,572,997x = 46,216,542 × 46,216,542
  4. Step 4: Simplify right side
    21,572,997x = 2,135,968,754,437,764
  5. Step 5: Solve for x
    x = 2,135,968,754,437,764/21,572,997
  6. Step 6: Final answer
    x = 99,011,220.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.