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Finding the Third Proportional to 369,087.75 and 553,632.75

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Solution

The third proportional to 369,087.75 and 553,632.75 is: 830,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,087.75 : 553,632.75 = 553,632.75 : x
  2. Step 2: Convert to fraction form
    369,087.75/553,632.75 = 553,632.75/x
  3. Step 3: Cross multiply
    369,087.75x = 553,632.75 × 553,632.75
  4. Step 4: Simplify right side
    369,087.75x = 306,509,221,872.56
  5. Step 5: Solve for x
    x = 306,509,221,872.56/369,087.75
  6. Step 6: Final answer
    x = 830,450.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.