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Finding the Third Proportional to 18,237 and 28,840.50

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Solution

The third proportional to 18,237 and 28,840.50 is: 45,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237 : 28,840.50 = 28,840.50 : x
  2. Step 2: Convert to fraction form
    18,237/28,840.50 = 28,840.50/x
  3. Step 3: Cross multiply
    18,237x = 28,840.50 × 28,840.50
  4. Step 4: Simplify right side
    18,237x = 831,774,440.25
  5. Step 5: Solve for x
    x = 831,774,440.25/18,237
  6. Step 6: Final answer
    x = 45,609.17

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.