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Finding the Third Proportional to 18,257,371 and 28,255,269

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Solution

The third proportional to 18,257,371 and 28,255,269 is: 43,728,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,371 : 28,255,269 = 28,255,269 : x
  2. Step 2: Convert to fraction form
    18,257,371/28,255,269 = 28,255,269/x
  3. Step 3: Cross multiply
    18,257,371x = 28,255,269 × 28,255,269
  4. Step 4: Simplify right side
    18,257,371x = 798,360,226,262,361
  5. Step 5: Solve for x
    x = 798,360,226,262,361/18,257,371
  6. Step 6: Final answer
    x = 43,728,104.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.