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Finding the Third Proportional to 175,430 and 385,852

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Solution

The third proportional to 175,430 and 385,852 is: 848,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430 : 385,852 = 385,852 : x
  2. Step 2: Convert to fraction form
    175,430/385,852 = 385,852/x
  3. Step 3: Cross multiply
    175,430x = 385,852 × 385,852
  4. Step 4: Simplify right side
    175,430x = 148,881,765,904
  5. Step 5: Solve for x
    x = 148,881,765,904/175,430
  6. Step 6: Final answer
    x = 848,667.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.