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Finding the Third Proportional to 361,280.25 and 508,312.50

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Solution

The third proportional to 361,280.25 and 508,312.50 is: 715,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,280.25 : 508,312.50 = 508,312.50 : x
  2. Step 2: Convert to fraction form
    361,280.25/508,312.50 = 508,312.50/x
  3. Step 3: Cross multiply
    361,280.25x = 508,312.50 × 508,312.50
  4. Step 4: Simplify right side
    361,280.25x = 258,381,597,656.25
  5. Step 5: Solve for x
    x = 258,381,597,656.25/361,280.25
  6. Step 6: Final answer
    x = 715,183.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.