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Finding the Third Proportional to 39,214,634 and 86,168,453

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Solution

The third proportional to 39,214,634 and 86,168,453 is: 189,342,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214,634 : 86,168,453 = 86,168,453 : x
  2. Step 2: Convert to fraction form
    39,214,634/86,168,453 = 86,168,453/x
  3. Step 3: Cross multiply
    39,214,634x = 86,168,453 × 86,168,453
  4. Step 4: Simplify right side
    39,214,634x = 7,425,002,292,413,209
  5. Step 5: Solve for x
    x = 7,425,002,292,413,209/39,214,634
  6. Step 6: Final answer
    x = 189,342,639.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.