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Finding the Third Proportional to 395,552 and 612,957

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Solution

The third proportional to 395,552 and 612,957 is: 949,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,552 : 612,957 = 612,957 : x
  2. Step 2: Convert to fraction form
    395,552/612,957 = 612,957/x
  3. Step 3: Cross multiply
    395,552x = 612,957 × 612,957
  4. Step 4: Simplify right side
    395,552x = 375,716,283,849
  5. Step 5: Solve for x
    x = 375,716,283,849/395,552
  6. Step 6: Final answer
    x = 949,853.08

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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.