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Finding the Third Proportional to 21,150,706 and 28,537,268

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Solution

The third proportional to 21,150,706 and 28,537,268 is: 38,503,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,706 : 28,537,268 = 28,537,268 : x
  2. Step 2: Convert to fraction form
    21,150,706/28,537,268 = 28,537,268/x
  3. Step 3: Cross multiply
    21,150,706x = 28,537,268 × 28,537,268
  4. Step 4: Simplify right side
    21,150,706x = 814,375,664,903,824
  5. Step 5: Solve for x
    x = 814,375,664,903,824/21,150,706
  6. Step 6: Final answer
    x = 38,503,474.30

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.