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Finding the Third Proportional to 8,518,448 and 18,474,160

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Solution

The third proportional to 8,518,448 and 18,474,160 is: 40,065,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,448 : 18,474,160 = 18,474,160 : x
  2. Step 2: Convert to fraction form
    8,518,448/18,474,160 = 18,474,160/x
  3. Step 3: Cross multiply
    8,518,448x = 18,474,160 × 18,474,160
  4. Step 4: Simplify right side
    8,518,448x = 341,294,587,705,600
  5. Step 5: Solve for x
    x = 341,294,587,705,600/8,518,448
  6. Step 6: Final answer
    x = 40,065,348.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.