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Finding the Third Proportional to 254,137 and 372,715.50

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Solution

The third proportional to 254,137 and 372,715.50 is: 546,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,137 : 372,715.50 = 372,715.50 : x
  2. Step 2: Convert to fraction form
    254,137/372,715.50 = 372,715.50/x
  3. Step 3: Cross multiply
    254,137x = 372,715.50 × 372,715.50
  4. Step 4: Simplify right side
    254,137x = 138,916,843,940.25
  5. Step 5: Solve for x
    x = 138,916,843,940.25/254,137
  6. Step 6: Final answer
    x = 546,621.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.