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Finding the Third Proportional to 118,315.50 and 256,593.50

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Solution

The third proportional to 118,315.50 and 256,593.50 is: 556,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,315.50 : 256,593.50 = 256,593.50 : x
  2. Step 2: Convert to fraction form
    118,315.50/256,593.50 = 256,593.50/x
  3. Step 3: Cross multiply
    118,315.50x = 256,593.50 × 256,593.50
  4. Step 4: Simplify right side
    118,315.50x = 65,840,224,242.25
  5. Step 5: Solve for x
    x = 65,840,224,242.25/118,315.50
  6. Step 6: Final answer
    x = 556,480.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.