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Finding the Third Proportional to 142,485.75 and 222,355.13

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Solution

The third proportional to 142,485.75 and 222,355.13 is: 346,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,485.75 : 222,355.13 = 222,355.13 : x
  2. Step 2: Convert to fraction form
    142,485.75/222,355.13 = 222,355.13/x
  3. Step 3: Cross multiply
    142,485.75x = 222,355.13 × 222,355.13
  4. Step 4: Simplify right side
    142,485.75x = 49,441,801,613.77
  5. Step 5: Solve for x
    x = 49,441,801,613.77/142,485.75
  6. Step 6: Final answer
    x = 346,994.71

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.