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Finding the Third Proportional to 61,812.75 and 92,677.50

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Solution

The third proportional to 61,812.75 and 92,677.50 is: 138,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.75 : 92,677.50 = 92,677.50 : x
  2. Step 2: Convert to fraction form
    61,812.75/92,677.50 = 92,677.50/x
  3. Step 3: Cross multiply
    61,812.75x = 92,677.50 × 92,677.50
  4. Step 4: Simplify right side
    61,812.75x = 8,589,119,006.25
  5. Step 5: Solve for x
    x = 8,589,119,006.25/61,812.75
  6. Step 6: Final answer
    x = 138,953.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.