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Finding the Third Proportional to 8,316,568 and 12,440,987

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Solution

The third proportional to 8,316,568 and 12,440,987 is: 18,610,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,568 : 12,440,987 = 12,440,987 : x
  2. Step 2: Convert to fraction form
    8,316,568/12,440,987 = 12,440,987/x
  3. Step 3: Cross multiply
    8,316,568x = 12,440,987 × 12,440,987
  4. Step 4: Simplify right side
    8,316,568x = 154,778,157,534,169
  5. Step 5: Solve for x
    x = 154,778,157,534,169/8,316,568
  6. Step 6: Final answer
    x = 18,610,820.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.