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Finding the Third Proportional to 84,634 and 180,931

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Solution

The third proportional to 84,634 and 180,931 is: 386,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634 : 180,931 = 180,931 : x
  2. Step 2: Convert to fraction form
    84,634/180,931 = 180,931/x
  3. Step 3: Cross multiply
    84,634x = 180,931 × 180,931
  4. Step 4: Simplify right side
    84,634x = 32,736,026,761
  5. Step 5: Solve for x
    x = 32,736,026,761/84,634
  6. Step 6: Final answer
    x = 386,795.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.