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Finding the Third Proportional to 9,261,644 and 21,645,080

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Solution

The third proportional to 9,261,644 and 21,645,080 is: 50,585,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,644 : 21,645,080 = 21,645,080 : x
  2. Step 2: Convert to fraction form
    9,261,644/21,645,080 = 21,645,080/x
  3. Step 3: Cross multiply
    9,261,644x = 21,645,080 × 21,645,080
  4. Step 4: Simplify right side
    9,261,644x = 468,509,488,206,400
  5. Step 5: Solve for x
    x = 468,509,488,206,400/9,261,644
  6. Step 6: Final answer
    x = 50,585,996.20

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.