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Finding the Third Proportional to 18,126 and 28,953

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Solution

The third proportional to 18,126 and 28,953 is: 46,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126 : 28,953 = 28,953 : x
  2. Step 2: Convert to fraction form
    18,126/28,953 = 28,953/x
  3. Step 3: Cross multiply
    18,126x = 28,953 × 28,953
  4. Step 4: Simplify right side
    18,126x = 838,276,209
  5. Step 5: Solve for x
    x = 838,276,209/18,126
  6. Step 6: Final answer
    x = 46,247.17

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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.