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Finding the Third Proportional to 74,344,716 and 161,043,228

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Solution

The third proportional to 74,344,716 and 161,043,228 is: 348,846,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344,716 : 161,043,228 = 161,043,228 : x
  2. Step 2: Convert to fraction form
    74,344,716/161,043,228 = 161,043,228/x
  3. Step 3: Cross multiply
    74,344,716x = 161,043,228 × 161,043,228
  4. Step 4: Simplify right side
    74,344,716x = 25,934,921,284,659,984
  5. Step 5: Solve for x
    x = 25,934,921,284,659,984/74,344,716
  6. Step 6: Final answer
    x = 348,846,867.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.