Home / 20,123,961.25-31,381,683.75

Finding the Third Proportional to 20,123,961.25 and 31,381,683.75

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Solution

The third proportional to 20,123,961.25 and 31,381,683.75 is: 48,937,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,961.25 : 31,381,683.75 = 31,381,683.75 : x
  2. Step 2: Convert to fraction form
    20,123,961.25/31,381,683.75 = 31,381,683.75/x
  3. Step 3: Cross multiply
    20,123,961.25x = 31,381,683.75 × 31,381,683.75
  4. Step 4: Simplify right side
    20,123,961.25x = 984,810,074,985,014
  5. Step 5: Solve for x
    x = 984,810,074,985,014/20,123,961.25
  6. Step 6: Final answer
    x = 48,937,188.00

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.