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Finding the Third Proportional to 7,213 and 15,650

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Solution

The third proportional to 7,213 and 15,650 is: 33,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213 : 15,650 = 15,650 : x
  2. Step 2: Convert to fraction form
    7,213/15,650 = 15,650/x
  3. Step 3: Cross multiply
    7,213x = 15,650 × 15,650
  4. Step 4: Simplify right side
    7,213x = 244,922,500
  5. Step 5: Solve for x
    x = 244,922,500/7,213
  6. Step 6: Final answer
    x = 33,955.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.