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Finding the Third Proportional to 388,789.75 and 583,184.25

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Solution

The third proportional to 388,789.75 and 583,184.25 is: 874,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,789.75 : 583,184.25 = 583,184.25 : x
  2. Step 2: Convert to fraction form
    388,789.75/583,184.25 = 583,184.25/x
  3. Step 3: Cross multiply
    388,789.75x = 583,184.25 × 583,184.25
  4. Step 4: Simplify right side
    388,789.75x = 340,103,869,448.06
  5. Step 5: Solve for x
    x = 340,103,869,448.06/388,789.75
  6. Step 6: Final answer
    x = 874,775.81

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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.