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Finding the Third Proportional to 92,810.81 and 139,626.28

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Solution

The third proportional to 92,810.81 and 139,626.28 is: 210,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,810.81 : 139,626.28 = 139,626.28 : x
  2. Step 2: Convert to fraction form
    92,810.81/139,626.28 = 139,626.28/x
  3. Step 3: Cross multiply
    92,810.81x = 139,626.28 × 139,626.28
  4. Step 4: Simplify right side
    92,810.81x = 19,495,498,415.70
  5. Step 5: Solve for x
    x = 19,495,498,415.70/92,810.81
  6. Step 6: Final answer
    x = 210,056.33

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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.