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Finding the Third Proportional to 8,391,603.38 and 18,343,203.75

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Solution

The third proportional to 8,391,603.38 and 18,343,203.75 is: 40,096,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,603.38 : 18,343,203.75 = 18,343,203.75 : x
  2. Step 2: Convert to fraction form
    8,391,603.38/18,343,203.75 = 18,343,203.75/x
  3. Step 3: Cross multiply
    8,391,603.38x = 18,343,203.75 × 18,343,203.75
  4. Step 4: Simplify right side
    8,391,603.38x = 336,473,123,814,014.06
  5. Step 5: Solve for x
    x = 336,473,123,814,014.06/8,391,603.38
  6. Step 6: Final answer
    x = 40,096,404.56

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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.