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Finding the Third Proportional to 4,247,382 and 9,170,946

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Solution

The third proportional to 4,247,382 and 9,170,946 is: 19,801,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,382 : 9,170,946 = 9,170,946 : x
  2. Step 2: Convert to fraction form
    4,247,382/9,170,946 = 9,170,946/x
  3. Step 3: Cross multiply
    4,247,382x = 9,170,946 × 9,170,946
  4. Step 4: Simplify right side
    4,247,382x = 84,106,250,534,916
  5. Step 5: Solve for x
    x = 84,106,250,534,916/4,247,382
  6. Step 6: Final answer
    x = 19,801,903.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.