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Finding the Third Proportional to 345,230 and 466,431

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Solution

The third proportional to 345,230 and 466,431 is: 630,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,230 : 466,431 = 466,431 : x
  2. Step 2: Convert to fraction form
    345,230/466,431 = 466,431/x
  3. Step 3: Cross multiply
    345,230x = 466,431 × 466,431
  4. Step 4: Simplify right side
    345,230x = 217,557,877,761
  5. Step 5: Solve for x
    x = 217,557,877,761/345,230
  6. Step 6: Final answer
    x = 630,182.42

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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.