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Finding the Third Proportional to 30,601,881 and 67,215,558.38

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Solution

The third proportional to 30,601,881 and 67,215,558.38 is: 147,635,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601,881 : 67,215,558.38 = 67,215,558.38 : x
  2. Step 2: Convert to fraction form
    30,601,881/67,215,558.38 = 67,215,558.38/x
  3. Step 3: Cross multiply
    30,601,881x = 67,215,558.38 × 67,215,558.38
  4. Step 4: Simplify right side
    30,601,881x = 4,517,931,287,663,033
  5. Step 5: Solve for x
    x = 4,517,931,287,663,033/30,601,881
  6. Step 6: Final answer
    x = 147,635,738.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.