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Finding the Third Proportional to 254,378 and 373,767

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Solution

The third proportional to 254,378 and 373,767 is: 549,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,378 : 373,767 = 373,767 : x
  2. Step 2: Convert to fraction form
    254,378/373,767 = 373,767/x
  3. Step 3: Cross multiply
    254,378x = 373,767 × 373,767
  4. Step 4: Simplify right side
    254,378x = 139,701,770,289
  5. Step 5: Solve for x
    x = 139,701,770,289/254,378
  6. Step 6: Final answer
    x = 549,189.67

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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.