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Finding the Third Proportional to 39,366,288 and 85,895,892

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Solution

The third proportional to 39,366,288 and 85,895,892 is: 187,421,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,288 : 85,895,892 = 85,895,892 : x
  2. Step 2: Convert to fraction form
    39,366,288/85,895,892 = 85,895,892/x
  3. Step 3: Cross multiply
    39,366,288x = 85,895,892 × 85,895,892
  4. Step 4: Simplify right side
    39,366,288x = 7,378,104,262,475,664
  5. Step 5: Solve for x
    x = 7,378,104,262,475,664/39,366,288
  6. Step 6: Final answer
    x = 187,421,894.15

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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.