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Finding the Third Proportional to 20,915,064 and 31,974,564

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Solution

The third proportional to 20,915,064 and 31,974,564 is: 48,882,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,915,064 : 31,974,564 = 31,974,564 : x
  2. Step 2: Convert to fraction form
    20,915,064/31,974,564 = 31,974,564/x
  3. Step 3: Cross multiply
    20,915,064x = 31,974,564 × 31,974,564
  4. Step 4: Simplify right side
    20,915,064x = 1,022,372,742,990,096
  5. Step 5: Solve for x
    x = 1,022,372,742,990,096/20,915,064
  6. Step 6: Final answer
    x = 48,882,123.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.