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Finding the Third Proportional to 8,455,272 and 18,106,285

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Solution

The third proportional to 8,455,272 and 18,106,285 is: 38,773,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,272 : 18,106,285 = 18,106,285 : x
  2. Step 2: Convert to fraction form
    8,455,272/18,106,285 = 18,106,285/x
  3. Step 3: Cross multiply
    8,455,272x = 18,106,285 × 18,106,285
  4. Step 4: Simplify right side
    8,455,272x = 327,837,556,501,225
  5. Step 5: Solve for x
    x = 327,837,556,501,225/8,455,272
  6. Step 6: Final answer
    x = 38,773,153.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.