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Finding the Third Proportional to 137,607 and 193,780

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Solution

The third proportional to 137,607 and 193,780 is: 272,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,607 : 193,780 = 193,780 : x
  2. Step 2: Convert to fraction form
    137,607/193,780 = 193,780/x
  3. Step 3: Cross multiply
    137,607x = 193,780 × 193,780
  4. Step 4: Simplify right side
    137,607x = 37,550,688,400
  5. Step 5: Solve for x
    x = 37,550,688,400/137,607
  6. Step 6: Final answer
    x = 272,883.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.