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Finding the Third Proportional to 357,372 and 552,852

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Solution

The third proportional to 357,372 and 552,852 is: 855,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,372 : 552,852 = 552,852 : x
  2. Step 2: Convert to fraction form
    357,372/552,852 = 552,852/x
  3. Step 3: Cross multiply
    357,372x = 552,852 × 552,852
  4. Step 4: Simplify right side
    357,372x = 305,645,333,904
  5. Step 5: Solve for x
    x = 305,645,333,904/357,372
  6. Step 6: Final answer
    x = 855,258.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.