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Finding the Third Proportional to 379,702.50 and 802,078.50

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Solution

The third proportional to 379,702.50 and 802,078.50 is: 1,694,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702.50 : 802,078.50 = 802,078.50 : x
  2. Step 2: Convert to fraction form
    379,702.50/802,078.50 = 802,078.50/x
  3. Step 3: Cross multiply
    379,702.50x = 802,078.50 × 802,078.50
  4. Step 4: Simplify right side
    379,702.50x = 643,329,920,162.25
  5. Step 5: Solve for x
    x = 643,329,920,162.25/379,702.50
  6. Step 6: Final answer
    x = 1,694,299.93

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.