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Finding the Third Proportional to 39,087,581 and 85,883,608

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Solution

The third proportional to 39,087,581 and 85,883,608 is: 188,704,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,581 : 85,883,608 = 85,883,608 : x
  2. Step 2: Convert to fraction form
    39,087,581/85,883,608 = 85,883,608/x
  3. Step 3: Cross multiply
    39,087,581x = 85,883,608 × 85,883,608
  4. Step 4: Simplify right side
    39,087,581x = 7,375,994,123,097,664
  5. Step 5: Solve for x
    x = 7,375,994,123,097,664/39,087,581
  6. Step 6: Final answer
    x = 188,704,287.51

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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.