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Finding the Third Proportional to 76,532 and 114,875

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Solution

The third proportional to 76,532 and 114,875 is: 172,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,532 : 114,875 = 114,875 : x
  2. Step 2: Convert to fraction form
    76,532/114,875 = 114,875/x
  3. Step 3: Cross multiply
    76,532x = 114,875 × 114,875
  4. Step 4: Simplify right side
    76,532x = 13,196,265,625
  5. Step 5: Solve for x
    x = 13,196,265,625/76,532
  6. Step 6: Final answer
    x = 172,428.08

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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.