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Finding the Third Proportional to 92,910 and 137,178

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Solution

The third proportional to 92,910 and 137,178 is: 202,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910 : 137,178 = 137,178 : x
  2. Step 2: Convert to fraction form
    92,910/137,178 = 137,178/x
  3. Step 3: Cross multiply
    92,910x = 137,178 × 137,178
  4. Step 4: Simplify right side
    92,910x = 18,817,803,684
  5. Step 5: Solve for x
    x = 18,817,803,684/92,910
  6. Step 6: Final answer
    x = 202,537.98

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.