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Finding the Third Proportional to 88,173 and 128,566.50

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Solution

The third proportional to 88,173 and 128,566.50 is: 187,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,173 : 128,566.50 = 128,566.50 : x
  2. Step 2: Convert to fraction form
    88,173/128,566.50 = 128,566.50/x
  3. Step 3: Cross multiply
    88,173x = 128,566.50 × 128,566.50
  4. Step 4: Simplify right side
    88,173x = 16,529,344,922.25
  5. Step 5: Solve for x
    x = 16,529,344,922.25/88,173
  6. Step 6: Final answer
    x = 187,464.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.