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Finding the Third Proportional to 9,415,551.38 and 19,960,992

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Solution

The third proportional to 9,415,551.38 and 19,960,992 is: 42,317,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,551.38 : 19,960,992 = 19,960,992 : x
  2. Step 2: Convert to fraction form
    9,415,551.38/19,960,992 = 19,960,992/x
  3. Step 3: Cross multiply
    9,415,551.38x = 19,960,992 × 19,960,992
  4. Step 4: Simplify right side
    9,415,551.38x = 398,441,201,624,064
  5. Step 5: Solve for x
    x = 398,441,201,624,064/9,415,551.38
  6. Step 6: Final answer
    x = 42,317,351.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.