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Finding the Third Proportional to 84,870 and 176,715

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Solution

The third proportional to 84,870 and 176,715 is: 367,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,870 : 176,715 = 176,715 : x
  2. Step 2: Convert to fraction form
    84,870/176,715 = 176,715/x
  3. Step 3: Cross multiply
    84,870x = 176,715 × 176,715
  4. Step 4: Simplify right side
    84,870x = 31,228,191,225
  5. Step 5: Solve for x
    x = 31,228,191,225/84,870
  6. Step 6: Final answer
    x = 367,953.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.