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Finding the Third Proportional to 18,457 and 28,633

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Solution

The third proportional to 18,457 and 28,633 is: 44,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457 : 28,633 = 28,633 : x
  2. Step 2: Convert to fraction form
    18,457/28,633 = 28,633/x
  3. Step 3: Cross multiply
    18,457x = 28,633 × 28,633
  4. Step 4: Simplify right side
    18,457x = 819,848,689
  5. Step 5: Solve for x
    x = 819,848,689/18,457
  6. Step 6: Final answer
    x = 44,419.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.