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Finding the Third Proportional to 5,326.50 and 8,509.50

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Solution

The third proportional to 5,326.50 and 8,509.50 is: 13,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.50 : 8,509.50 = 8,509.50 : x
  2. Step 2: Convert to fraction form
    5,326.50/8,509.50 = 8,509.50/x
  3. Step 3: Cross multiply
    5,326.50x = 8,509.50 × 8,509.50
  4. Step 4: Simplify right side
    5,326.50x = 72,411,590.25
  5. Step 5: Solve for x
    x = 72,411,590.25/5,326.50
  6. Step 6: Final answer
    x = 13,594.59

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.