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Finding the Third Proportional to 219,077 and 242,117

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Solution

The third proportional to 219,077 and 242,117 is: 267,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,077 : 242,117 = 242,117 : x
  2. Step 2: Convert to fraction form
    219,077/242,117 = 242,117/x
  3. Step 3: Cross multiply
    219,077x = 242,117 × 242,117
  4. Step 4: Simplify right side
    219,077x = 58,620,641,689
  5. Step 5: Solve for x
    x = 58,620,641,689/219,077
  6. Step 6: Final answer
    x = 267,580.08

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.