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Finding the Third Proportional to 20,868,312 and 28,836,063

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Solution

The third proportional to 20,868,312 and 28,836,063 is: 39,845,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,312 : 28,836,063 = 28,836,063 : x
  2. Step 2: Convert to fraction form
    20,868,312/28,836,063 = 28,836,063/x
  3. Step 3: Cross multiply
    20,868,312x = 28,836,063 × 28,836,063
  4. Step 4: Simplify right side
    20,868,312x = 831,518,529,339,969
  5. Step 5: Solve for x
    x = 831,518,529,339,969/20,868,312
  6. Step 6: Final answer
    x = 39,845,988.95

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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.