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Finding the Third Proportional to 72,188,214 and 155,881,992

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Solution

The third proportional to 72,188,214 and 155,881,992 is: 336,608,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,188,214 : 155,881,992 = 155,881,992 : x
  2. Step 2: Convert to fraction form
    72,188,214/155,881,992 = 155,881,992/x
  3. Step 3: Cross multiply
    72,188,214x = 155,881,992 × 155,881,992
  4. Step 4: Simplify right side
    72,188,214x = 24,299,195,429,888,064
  5. Step 5: Solve for x
    x = 24,299,195,429,888,064/72,188,214
  6. Step 6: Final answer
    x = 336,608,901.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.