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Finding the Third Proportional to 8,496,873 and 12,815,820

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Solution

The third proportional to 8,496,873 and 12,815,820 is: 19,330,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496,873 : 12,815,820 = 12,815,820 : x
  2. Step 2: Convert to fraction form
    8,496,873/12,815,820 = 12,815,820/x
  3. Step 3: Cross multiply
    8,496,873x = 12,815,820 × 12,815,820
  4. Step 4: Simplify right side
    8,496,873x = 164,245,242,272,400
  5. Step 5: Solve for x
    x = 164,245,242,272,400/8,496,873
  6. Step 6: Final answer
    x = 19,330,080.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.