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Finding the Third Proportional to 4,210,858 and 9,261,332

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Solution

The third proportional to 4,210,858 and 9,261,332 is: 20,369,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,858 : 9,261,332 = 9,261,332 : x
  2. Step 2: Convert to fraction form
    4,210,858/9,261,332 = 9,261,332/x
  3. Step 3: Cross multiply
    4,210,858x = 9,261,332 × 9,261,332
  4. Step 4: Simplify right side
    4,210,858x = 85,772,270,414,224
  5. Step 5: Solve for x
    x = 85,772,270,414,224/4,210,858
  6. Step 6: Final answer
    x = 20,369,309.63

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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.