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Finding the Third Proportional to 10,312 and 22,288

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Solution

The third proportional to 10,312 and 22,288 is: 48,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312 : 22,288 = 22,288 : x
  2. Step 2: Convert to fraction form
    10,312/22,288 = 22,288/x
  3. Step 3: Cross multiply
    10,312x = 22,288 × 22,288
  4. Step 4: Simplify right side
    10,312x = 496,754,944
  5. Step 5: Solve for x
    x = 496,754,944/10,312
  6. Step 6: Final answer
    x = 48,172.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.