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Finding the Third Proportional to 9,415,475.44 and 19,960,885.69

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Solution

The third proportional to 9,415,475.44 and 19,960,885.69 is: 42,317,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,475.44 : 19,960,885.69 = 19,960,885.69 : x
  2. Step 2: Convert to fraction form
    9,415,475.44/19,960,885.69 = 19,960,885.69/x
  3. Step 3: Cross multiply
    9,415,475.44x = 19,960,885.69 × 19,960,885.69
  4. Step 4: Simplify right side
    9,415,475.44x = 398,436,957,429,442.38
  5. Step 5: Solve for x
    x = 398,436,957,429,442.38/9,415,475.44
  6. Step 6: Final answer
    x = 42,317,242.51

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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.