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Finding the Third Proportional to 264,438 and 542,958

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Solution

The third proportional to 264,438 and 542,958 is: 1,114,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,438 : 542,958 = 542,958 : x
  2. Step 2: Convert to fraction form
    264,438/542,958 = 542,958/x
  3. Step 3: Cross multiply
    264,438x = 542,958 × 542,958
  4. Step 4: Simplify right side
    264,438x = 294,803,389,764
  5. Step 5: Solve for x
    x = 294,803,389,764/264,438
  6. Step 6: Final answer
    x = 1,114,829.90

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.