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Finding the Third Proportional to 243,880 and 375,330

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Solution

The third proportional to 243,880 and 375,330 is: 577,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,880 : 375,330 = 375,330 : x
  2. Step 2: Convert to fraction form
    243,880/375,330 = 375,330/x
  3. Step 3: Cross multiply
    243,880x = 375,330 × 375,330
  4. Step 4: Simplify right side
    243,880x = 140,872,608,900
  5. Step 5: Solve for x
    x = 140,872,608,900/243,880
  6. Step 6: Final answer
    x = 577,630.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.