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Finding the Third Proportional to 76,330 and 163,952

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Solution

The third proportional to 76,330 and 163,952 is: 352,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,330 : 163,952 = 163,952 : x
  2. Step 2: Convert to fraction form
    76,330/163,952 = 163,952/x
  3. Step 3: Cross multiply
    76,330x = 163,952 × 163,952
  4. Step 4: Simplify right side
    76,330x = 26,880,258,304
  5. Step 5: Solve for x
    x = 26,880,258,304/76,330
  6. Step 6: Final answer
    x = 352,158.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.