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Finding the Third Proportional to 76,547 and 166,216

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Solution

The third proportional to 76,547 and 166,216 is: 360,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,547 : 166,216 = 166,216 : x
  2. Step 2: Convert to fraction form
    76,547/166,216 = 166,216/x
  3. Step 3: Cross multiply
    76,547x = 166,216 × 166,216
  4. Step 4: Simplify right side
    76,547x = 27,627,758,656
  5. Step 5: Solve for x
    x = 27,627,758,656/76,547
  6. Step 6: Final answer
    x = 360,925.43

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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.