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Finding the Third Proportional to 58,529.25 and 128,209.50

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Solution

The third proportional to 58,529.25 and 128,209.50 is: 280,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,529.25 : 128,209.50 = 128,209.50 : x
  2. Step 2: Convert to fraction form
    58,529.25/128,209.50 = 128,209.50/x
  3. Step 3: Cross multiply
    58,529.25x = 128,209.50 × 128,209.50
  4. Step 4: Simplify right side
    58,529.25x = 16,437,675,890.25
  5. Step 5: Solve for x
    x = 16,437,675,890.25/58,529.25
  6. Step 6: Final answer
    x = 280,845.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.