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Finding the Third Proportional to 72,726,336 and 161,595,972

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Solution

The third proportional to 72,726,336 and 161,595,972 is: 359,061,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726,336 : 161,595,972 = 161,595,972 : x
  2. Step 2: Convert to fraction form
    72,726,336/161,595,972 = 161,595,972/x
  3. Step 3: Cross multiply
    72,726,336x = 161,595,972 × 161,595,972
  4. Step 4: Simplify right side
    72,726,336x = 26,113,258,166,624,784
  5. Step 5: Solve for x
    x = 26,113,258,166,624,784/72,726,336
  6. Step 6: Final answer
    x = 359,061,924.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.