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Finding the Third Proportional to 21,792,118.50 and 47,835,220.50

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Solution

The third proportional to 21,792,118.50 and 47,835,220.50 is: 105,001,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,118.50 : 47,835,220.50 = 47,835,220.50 : x
  2. Step 2: Convert to fraction form
    21,792,118.50/47,835,220.50 = 47,835,220.50/x
  3. Step 3: Cross multiply
    21,792,118.50x = 47,835,220.50 × 47,835,220.50
  4. Step 4: Simplify right side
    21,792,118.50x = 2,288,208,320,283,620
  5. Step 5: Solve for x
    x = 2,288,208,320,283,620/21,792,118.50
  6. Step 6: Final answer
    x = 105,001,646.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.