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Finding the Third Proportional to 55,271.11 and 129,925.27

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Solution

The third proportional to 55,271.11 and 129,925.27 is: 305,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.11 : 129,925.27 = 129,925.27 : x
  2. Step 2: Convert to fraction form
    55,271.11/129,925.27 = 129,925.27/x
  3. Step 3: Cross multiply
    55,271.11x = 129,925.27 × 129,925.27
  4. Step 4: Simplify right side
    55,271.11x = 16,880,574,647.73
  5. Step 5: Solve for x
    x = 16,880,574,647.73/55,271.11
  6. Step 6: Final answer
    x = 305,414.07

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.