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Finding the Third Proportional to 118,873.50 and 256,472

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Solution

The third proportional to 118,873.50 and 256,472 is: 553,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,873.50 : 256,472 = 256,472 : x
  2. Step 2: Convert to fraction form
    118,873.50/256,472 = 256,472/x
  3. Step 3: Cross multiply
    118,873.50x = 256,472 × 256,472
  4. Step 4: Simplify right side
    118,873.50x = 65,777,886,784
  5. Step 5: Solve for x
    x = 65,777,886,784/118,873.50
  6. Step 6: Final answer
    x = 553,343.57

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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.