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Finding the Third Proportional to 141,990.50 and 302,925.50

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Solution

The third proportional to 141,990.50 and 302,925.50 is: 646,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,990.50 : 302,925.50 = 302,925.50 : x
  2. Step 2: Convert to fraction form
    141,990.50/302,925.50 = 302,925.50/x
  3. Step 3: Cross multiply
    141,990.50x = 302,925.50 × 302,925.50
  4. Step 4: Simplify right side
    141,990.50x = 91,763,858,550.25
  5. Step 5: Solve for x
    x = 91,763,858,550.25/141,990.50
  6. Step 6: Final answer
    x = 646,267.59

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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.