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Finding the Third Proportional to 92,980 and 190,860.50

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Solution

The third proportional to 92,980 and 190,860.50 is: 391,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,980 : 190,860.50 = 190,860.50 : x
  2. Step 2: Convert to fraction form
    92,980/190,860.50 = 190,860.50/x
  3. Step 3: Cross multiply
    92,980x = 190,860.50 × 190,860.50
  4. Step 4: Simplify right side
    92,980x = 36,427,730,460.25
  5. Step 5: Solve for x
    x = 36,427,730,460.25/92,980
  6. Step 6: Final answer
    x = 391,780.28

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.