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Finding the Third Proportional to 8,705,718 and 13,080,515.34

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Solution

The third proportional to 8,705,718 and 13,080,515.34 is: 19,653,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,718 : 13,080,515.34 = 13,080,515.34 : x
  2. Step 2: Convert to fraction form
    8,705,718/13,080,515.34 = 13,080,515.34/x
  3. Step 3: Cross multiply
    8,705,718x = 13,080,515.34 × 13,080,515.34
  4. Step 4: Simplify right side
    8,705,718x = 171,099,881,658,079.19
  5. Step 5: Solve for x
    x = 171,099,881,658,079.19/8,705,718
  6. Step 6: Final answer
    x = 19,653,735.82

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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.