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Finding the Third Proportional to 18,656,756 and 40,369,480

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Solution

The third proportional to 18,656,756 and 40,369,480 is: 87,351,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656,756 : 40,369,480 = 40,369,480 : x
  2. Step 2: Convert to fraction form
    18,656,756/40,369,480 = 40,369,480/x
  3. Step 3: Cross multiply
    18,656,756x = 40,369,480 × 40,369,480
  4. Step 4: Simplify right side
    18,656,756x = 1,629,694,915,470,400
  5. Step 5: Solve for x
    x = 1,629,694,915,470,400/18,656,756
  6. Step 6: Final answer
    x = 87,351,462.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.