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Finding the Third Proportional to 85,700 and 185,656

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Solution

The third proportional to 85,700 and 185,656 is: 402,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,700 : 185,656 = 185,656 : x
  2. Step 2: Convert to fraction form
    85,700/185,656 = 185,656/x
  3. Step 3: Cross multiply
    85,700x = 185,656 × 185,656
  4. Step 4: Simplify right side
    85,700x = 34,468,150,336
  5. Step 5: Solve for x
    x = 34,468,150,336/85,700
  6. Step 6: Final answer
    x = 402,195.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.