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Finding the Third Proportional to 257,513 and 346,524

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Solution

The third proportional to 257,513 and 346,524 is: 466,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,513 : 346,524 = 346,524 : x
  2. Step 2: Convert to fraction form
    257,513/346,524 = 346,524/x
  3. Step 3: Cross multiply
    257,513x = 346,524 × 346,524
  4. Step 4: Simplify right side
    257,513x = 120,078,882,576
  5. Step 5: Solve for x
    x = 120,078,882,576/257,513
  6. Step 6: Final answer
    x = 466,302.22

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.