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Finding the Third Proportional to 9,992,661.19 and 21,792,460.22

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Solution

The third proportional to 9,992,661.19 and 21,792,460.22 is: 47,526,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992,661.19 : 21,792,460.22 = 21,792,460.22 : x
  2. Step 2: Convert to fraction form
    9,992,661.19/21,792,460.22 = 21,792,460.22/x
  3. Step 3: Cross multiply
    9,992,661.19x = 21,792,460.22 × 21,792,460.22
  4. Step 4: Simplify right side
    9,992,661.19x = 474,911,322,385,801.31
  5. Step 5: Solve for x
    x = 474,911,322,385,801.31/9,992,661.19
  6. Step 6: Final answer
    x = 47,526,010.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.