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Finding the Third Proportional to 12,860,112 and 17,980,344

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Solution

The third proportional to 12,860,112 and 17,980,344 is: 25,139,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,112 : 17,980,344 = 17,980,344 : x
  2. Step 2: Convert to fraction form
    12,860,112/17,980,344 = 17,980,344/x
  3. Step 3: Cross multiply
    12,860,112x = 17,980,344 × 17,980,344
  4. Step 4: Simplify right side
    12,860,112x = 323,292,770,358,336
  5. Step 5: Solve for x
    x = 323,292,770,358,336/12,860,112
  6. Step 6: Final answer
    x = 25,139,187.77

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.