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Finding the Third Proportional to 8,588,721 and 18,171,429

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Solution

The third proportional to 8,588,721 and 18,171,429 is: 38,445,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,721 : 18,171,429 = 18,171,429 : x
  2. Step 2: Convert to fraction form
    8,588,721/18,171,429 = 18,171,429/x
  3. Step 3: Cross multiply
    8,588,721x = 18,171,429 × 18,171,429
  4. Step 4: Simplify right side
    8,588,721x = 330,200,831,902,041
  5. Step 5: Solve for x
    x = 330,200,831,902,041/8,588,721
  6. Step 6: Final answer
    x = 38,445,867.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.