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Finding the Third Proportional to 8,546,940 and 13,216,392

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Solution

The third proportional to 8,546,940 and 13,216,392 is: 20,436,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546,940 : 13,216,392 = 13,216,392 : x
  2. Step 2: Convert to fraction form
    8,546,940/13,216,392 = 13,216,392/x
  3. Step 3: Cross multiply
    8,546,940x = 13,216,392 × 13,216,392
  4. Step 4: Simplify right side
    8,546,940x = 174,673,017,497,664
  5. Step 5: Solve for x
    x = 174,673,017,497,664/8,546,940
  6. Step 6: Final answer
    x = 20,436,906.95

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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.