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Finding the Third Proportional to 542,992 and 714,037

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Solution

The third proportional to 542,992 and 714,037 is: 938,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,992 : 714,037 = 714,037 : x
  2. Step 2: Convert to fraction form
    542,992/714,037 = 714,037/x
  3. Step 3: Cross multiply
    542,992x = 714,037 × 714,037
  4. Step 4: Simplify right side
    542,992x = 509,848,837,369
  5. Step 5: Solve for x
    x = 509,848,837,369/542,992
  6. Step 6: Final answer
    x = 938,961.97

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.