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Finding the Third Proportional to 286,976.50 and 625,623.25

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Solution

The third proportional to 286,976.50 and 625,623.25 is: 1,363,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,976.50 : 625,623.25 = 625,623.25 : x
  2. Step 2: Convert to fraction form
    286,976.50/625,623.25 = 625,623.25/x
  3. Step 3: Cross multiply
    286,976.50x = 625,623.25 × 625,623.25
  4. Step 4: Simplify right side
    286,976.50x = 391,404,450,940.56
  5. Step 5: Solve for x
    x = 391,404,450,940.56/286,976.50
  6. Step 6: Final answer
    x = 1,363,890.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.