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Finding the Third Proportional to 4,224,991.50 and 9,123,489

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Solution

The third proportional to 4,224,991.50 and 9,123,489 is: 19,701,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,224,991.50 : 9,123,489 = 9,123,489 : x
  2. Step 2: Convert to fraction form
    4,224,991.50/9,123,489 = 9,123,489/x
  3. Step 3: Cross multiply
    4,224,991.50x = 9,123,489 × 9,123,489
  4. Step 4: Simplify right side
    4,224,991.50x = 83,238,051,533,121
  5. Step 5: Solve for x
    x = 83,238,051,533,121/4,224,991.50
  6. Step 6: Final answer
    x = 19,701,353.61

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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.