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Finding the Third Proportional to 80,575 and 176,702

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Solution

The third proportional to 80,575 and 176,702 is: 387,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575 : 176,702 = 176,702 : x
  2. Step 2: Convert to fraction form
    80,575/176,702 = 176,702/x
  3. Step 3: Cross multiply
    80,575x = 176,702 × 176,702
  4. Step 4: Simplify right side
    80,575x = 31,223,596,804
  5. Step 5: Solve for x
    x = 31,223,596,804/80,575
  6. Step 6: Final answer
    x = 387,509.73

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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.