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Finding the Third Proportional to 40,426 and 87,304

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Solution

The third proportional to 40,426 and 87,304 is: 188,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426 : 87,304 = 87,304 : x
  2. Step 2: Convert to fraction form
    40,426/87,304 = 87,304/x
  3. Step 3: Cross multiply
    40,426x = 87,304 × 87,304
  4. Step 4: Simplify right side
    40,426x = 7,621,988,416
  5. Step 5: Solve for x
    x = 7,621,988,416/40,426
  6. Step 6: Final answer
    x = 188,541.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.