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Finding the Third Proportional to 8,637,592 and 18,902,320

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Solution

The third proportional to 8,637,592 and 18,902,320 is: 41,365,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,592 : 18,902,320 = 18,902,320 : x
  2. Step 2: Convert to fraction form
    8,637,592/18,902,320 = 18,902,320/x
  3. Step 3: Cross multiply
    8,637,592x = 18,902,320 × 18,902,320
  4. Step 4: Simplify right side
    8,637,592x = 357,297,701,382,400
  5. Step 5: Solve for x
    x = 357,297,701,382,400/8,637,592
  6. Step 6: Final answer
    x = 41,365,429.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.