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Finding the Third Proportional to 225,002.81 and 328,619.53

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Solution

The third proportional to 225,002.81 and 328,619.53 is: 479,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,002.81 : 328,619.53 = 328,619.53 : x
  2. Step 2: Convert to fraction form
    225,002.81/328,619.53 = 328,619.53/x
  3. Step 3: Cross multiply
    225,002.81x = 328,619.53 × 328,619.53
  4. Step 4: Simplify right side
    225,002.81x = 107,990,796,318.97
  5. Step 5: Solve for x
    x = 107,990,796,318.97/225,002.81
  6. Step 6: Final answer
    x = 479,953.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.