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Finding the Third Proportional to 4,210,854 and 9,261,324

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Solution

The third proportional to 4,210,854 and 9,261,324 is: 20,369,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,854 : 9,261,324 = 9,261,324 : x
  2. Step 2: Convert to fraction form
    4,210,854/9,261,324 = 9,261,324/x
  3. Step 3: Cross multiply
    4,210,854x = 9,261,324 × 9,261,324
  4. Step 4: Simplify right side
    4,210,854x = 85,772,122,232,976
  5. Step 5: Solve for x
    x = 85,772,122,232,976/4,210,854
  6. Step 6: Final answer
    x = 20,369,293.79

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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.