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Finding the Third Proportional to 80,953,143 and 124,353,927

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Solution

The third proportional to 80,953,143 and 124,353,927 is: 191,022,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,953,143 : 124,353,927 = 124,353,927 : x
  2. Step 2: Convert to fraction form
    80,953,143/124,353,927 = 124,353,927/x
  3. Step 3: Cross multiply
    80,953,143x = 124,353,927 × 124,353,927
  4. Step 4: Simplify right side
    80,953,143x = 15,463,899,160,321,328
  5. Step 5: Solve for x
    x = 15,463,899,160,321,328/80,953,143
  6. Step 6: Final answer
    x = 191,022,838.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.