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Finding the Third Proportional to 8,366,979 and 12,798,009

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Solution

The third proportional to 8,366,979 and 12,798,009 is: 19,575,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366,979 : 12,798,009 = 12,798,009 : x
  2. Step 2: Convert to fraction form
    8,366,979/12,798,009 = 12,798,009/x
  3. Step 3: Cross multiply
    8,366,979x = 12,798,009 × 12,798,009
  4. Step 4: Simplify right side
    8,366,979x = 163,789,034,364,081
  5. Step 5: Solve for x
    x = 163,789,034,364,081/8,366,979
  6. Step 6: Final answer
    x = 19,575,647.84

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.