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Finding the Third Proportional to 9,581 and 14,312.50

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Solution

The third proportional to 9,581 and 14,312.50 is: 21,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581 : 14,312.50 = 14,312.50 : x
  2. Step 2: Convert to fraction form
    9,581/14,312.50 = 14,312.50/x
  3. Step 3: Cross multiply
    9,581x = 14,312.50 × 14,312.50
  4. Step 4: Simplify right side
    9,581x = 204,847,656.25
  5. Step 5: Solve for x
    x = 204,847,656.25/9,581
  6. Step 6: Final answer
    x = 21,380.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.