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Finding the Third Proportional to 112,841,872 and 155,921,832

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Solution

The third proportional to 112,841,872 and 155,921,832 is: 215,448,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841,872 : 155,921,832 = 155,921,832 : x
  2. Step 2: Convert to fraction form
    112,841,872/155,921,832 = 155,921,832/x
  3. Step 3: Cross multiply
    112,841,872x = 155,921,832 × 155,921,832
  4. Step 4: Simplify right side
    112,841,872x = 24,311,617,694,236,224
  5. Step 5: Solve for x
    x = 24,311,617,694,236,224/112,841,872
  6. Step 6: Final answer
    x = 215,448,549.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.