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Finding the Third Proportional to 47,174,940 and 100,908,015

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Solution

The third proportional to 47,174,940 and 100,908,015 is: 215,843,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174,940 : 100,908,015 = 100,908,015 : x
  2. Step 2: Convert to fraction form
    47,174,940/100,908,015 = 100,908,015/x
  3. Step 3: Cross multiply
    47,174,940x = 100,908,015 × 100,908,015
  4. Step 4: Simplify right side
    47,174,940x = 10,182,427,491,240,224
  5. Step 5: Solve for x
    x = 10,182,427,491,240,224/47,174,940
  6. Step 6: Final answer
    x = 215,843,994.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.