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Finding the Third Proportional to 6,570 and 8,623.50

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Solution

The third proportional to 6,570 and 8,623.50 is: 11,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570 : 8,623.50 = 8,623.50 : x
  2. Step 2: Convert to fraction form
    6,570/8,623.50 = 8,623.50/x
  3. Step 3: Cross multiply
    6,570x = 8,623.50 × 8,623.50
  4. Step 4: Simplify right side
    6,570x = 74,364,752.25
  5. Step 5: Solve for x
    x = 74,364,752.25/6,570
  6. Step 6: Final answer
    x = 11,318.84

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.