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Finding the Third Proportional to 18,440,510 and 40,218,323

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Solution

The third proportional to 18,440,510 and 40,218,323 is: 87,715,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,510 : 40,218,323 = 40,218,323 : x
  2. Step 2: Convert to fraction form
    18,440,510/40,218,323 = 40,218,323/x
  3. Step 3: Cross multiply
    18,440,510x = 40,218,323 × 40,218,323
  4. Step 4: Simplify right side
    18,440,510x = 1,617,513,504,932,329
  5. Step 5: Solve for x
    x = 1,617,513,504,932,329/18,440,510
  6. Step 6: Final answer
    x = 87,715,226.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.