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Finding the Third Proportional to 120,744,572 and 188,291,286

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Solution

The third proportional to 120,744,572 and 188,291,286 is: 293,624,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,572 : 188,291,286 = 188,291,286 : x
  2. Step 2: Convert to fraction form
    120,744,572/188,291,286 = 188,291,286/x
  3. Step 3: Cross multiply
    120,744,572x = 188,291,286 × 188,291,286
  4. Step 4: Simplify right side
    120,744,572x = 35,453,608,383,533,796
  5. Step 5: Solve for x
    x = 35,453,608,383,533,796/120,744,572
  6. Step 6: Final answer
    x = 293,624,862.77

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.