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Finding the Third Proportional to 20,868,381 and 28,836,148.50

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Solution

The third proportional to 20,868,381 and 28,836,148.50 is: 39,846,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,381 : 28,836,148.50 = 28,836,148.50 : x
  2. Step 2: Convert to fraction form
    20,868,381/28,836,148.50 = 28,836,148.50/x
  3. Step 3: Cross multiply
    20,868,381x = 28,836,148.50 × 28,836,148.50
  4. Step 4: Simplify right side
    20,868,381x = 831,523,460,314,052.25
  5. Step 5: Solve for x
    x = 831,523,460,314,052.25/20,868,381
  6. Step 6: Final answer
    x = 39,846,093.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.