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Finding the Third Proportional to 151,918 and 332,426

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Solution

The third proportional to 151,918 and 332,426 is: 727,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,918 : 332,426 = 332,426 : x
  2. Step 2: Convert to fraction form
    151,918/332,426 = 332,426/x
  3. Step 3: Cross multiply
    151,918x = 332,426 × 332,426
  4. Step 4: Simplify right side
    151,918x = 110,507,045,476
  5. Step 5: Solve for x
    x = 110,507,045,476/151,918
  6. Step 6: Final answer
    x = 727,412.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.