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Finding the Third Proportional to 121,119 and 173,374.50

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Solution

The third proportional to 121,119 and 173,374.50 is: 248,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119 : 173,374.50 = 173,374.50 : x
  2. Step 2: Convert to fraction form
    121,119/173,374.50 = 173,374.50/x
  3. Step 3: Cross multiply
    121,119x = 173,374.50 × 173,374.50
  4. Step 4: Simplify right side
    121,119x = 30,058,717,250.25
  5. Step 5: Solve for x
    x = 30,058,717,250.25/121,119
  6. Step 6: Final answer
    x = 248,175.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.