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Finding the Third Proportional to 56,864 and 85,304

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Solution

The third proportional to 56,864 and 85,304 is: 127,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864 : 85,304 = 85,304 : x
  2. Step 2: Convert to fraction form
    56,864/85,304 = 85,304/x
  3. Step 3: Cross multiply
    56,864x = 85,304 × 85,304
  4. Step 4: Simplify right side
    56,864x = 7,276,772,416
  5. Step 5: Solve for x
    x = 7,276,772,416/56,864
  6. Step 6: Final answer
    x = 127,968.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.