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Finding the Third Proportional to 39,366,289 and 85,895,894

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Solution

The third proportional to 39,366,289 and 85,895,894 is: 187,421,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,289 : 85,895,894 = 85,895,894 : x
  2. Step 2: Convert to fraction form
    39,366,289/85,895,894 = 85,895,894/x
  3. Step 3: Cross multiply
    39,366,289x = 85,895,894 × 85,895,894
  4. Step 4: Simplify right side
    39,366,289x = 7,378,104,606,059,236
  5. Step 5: Solve for x
    x = 7,378,104,606,059,236/39,366,289
  6. Step 6: Final answer
    x = 187,421,898.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.