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Finding the Third Proportional to 8,455,280 and 18,106,302

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Solution

The third proportional to 8,455,280 and 18,106,302 is: 38,773,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,280 : 18,106,302 = 18,106,302 : x
  2. Step 2: Convert to fraction form
    8,455,280/18,106,302 = 18,106,302/x
  3. Step 3: Cross multiply
    8,455,280x = 18,106,302 × 18,106,302
  4. Step 4: Simplify right side
    8,455,280x = 327,838,172,115,204
  5. Step 5: Solve for x
    x = 327,838,172,115,204/8,455,280
  6. Step 6: Final answer
    x = 38,773,189.31

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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.