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Finding the Third Proportional to 254,279 and 373,642

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Solution

The third proportional to 254,279 and 373,642 is: 549,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,279 : 373,642 = 373,642 : x
  2. Step 2: Convert to fraction form
    254,279/373,642 = 373,642/x
  3. Step 3: Cross multiply
    254,279x = 373,642 × 373,642
  4. Step 4: Simplify right side
    254,279x = 139,608,344,164
  5. Step 5: Solve for x
    x = 139,608,344,164/254,279
  6. Step 6: Final answer
    x = 549,036.08

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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.