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Finding the Third Proportional to 366,870.75 and 489,206.25

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Solution

The third proportional to 366,870.75 and 489,206.25 is: 652,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,870.75 : 489,206.25 = 489,206.25 : x
  2. Step 2: Convert to fraction form
    366,870.75/489,206.25 = 489,206.25/x
  3. Step 3: Cross multiply
    366,870.75x = 489,206.25 × 489,206.25
  4. Step 4: Simplify right side
    366,870.75x = 239,322,755,039.06
  5. Step 5: Solve for x
    x = 239,322,755,039.06/366,870.75
  6. Step 6: Final answer
    x = 652,335.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.