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Finding the Third Proportional to 91,611,823.50 and 189,600,939

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Solution

The third proportional to 91,611,823.50 and 189,600,939 is: 392,400,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,823.50 : 189,600,939 = 189,600,939 : x
  2. Step 2: Convert to fraction form
    91,611,823.50/189,600,939 = 189,600,939/x
  3. Step 3: Cross multiply
    91,611,823.50x = 189,600,939 × 189,600,939
  4. Step 4: Simplify right side
    91,611,823.50x = 35,948,516,069,681,720
  5. Step 5: Solve for x
    x = 35,948,516,069,681,720/91,611,823.50
  6. Step 6: Final answer
    x = 392,400,398.73

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.