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Finding the Third Proportional to 4,501,986 and 9,857,793

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Solution

The third proportional to 4,501,986 and 9,857,793 is: 21,585,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501,986 : 9,857,793 = 9,857,793 : x
  2. Step 2: Convert to fraction form
    4,501,986/9,857,793 = 9,857,793/x
  3. Step 3: Cross multiply
    4,501,986x = 9,857,793 × 9,857,793
  4. Step 4: Simplify right side
    4,501,986x = 97,176,082,830,849
  5. Step 5: Solve for x
    x = 97,176,082,830,849/4,501,986
  6. Step 6: Final answer
    x = 21,585,158.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.