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Finding the Third Proportional to 8,623,742 and 18,777,436

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Solution

The third proportional to 8,623,742 and 18,777,436 is: 40,886,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,742 : 18,777,436 = 18,777,436 : x
  2. Step 2: Convert to fraction form
    8,623,742/18,777,436 = 18,777,436/x
  3. Step 3: Cross multiply
    8,623,742x = 18,777,436 × 18,777,436
  4. Step 4: Simplify right side
    8,623,742x = 352,592,102,734,096
  5. Step 5: Solve for x
    x = 352,592,102,734,096/8,623,742
  6. Step 6: Final answer
    x = 40,886,207.26

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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.