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Finding the Third Proportional to 141,561 and 305,262

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Solution

The third proportional to 141,561 and 305,262 is: 658,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,561 : 305,262 = 305,262 : x
  2. Step 2: Convert to fraction form
    141,561/305,262 = 305,262/x
  3. Step 3: Cross multiply
    141,561x = 305,262 × 305,262
  4. Step 4: Simplify right side
    141,561x = 93,184,888,644
  5. Step 5: Solve for x
    x = 93,184,888,644/141,561
  6. Step 6: Final answer
    x = 658,266.67

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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.