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Finding the Third Proportional to 77,700 and 116,505

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Solution

The third proportional to 77,700 and 116,505 is: 174,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,700 : 116,505 = 116,505 : x
  2. Step 2: Convert to fraction form
    77,700/116,505 = 116,505/x
  3. Step 3: Cross multiply
    77,700x = 116,505 × 116,505
  4. Step 4: Simplify right side
    77,700x = 13,573,415,025
  5. Step 5: Solve for x
    x = 13,573,415,025/77,700
  6. Step 6: Final answer
    x = 174,690.03

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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.