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Finding the Third Proportional to 264,499 and 402,285

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Solution

The third proportional to 264,499 and 402,285 is: 611,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,499 : 402,285 = 402,285 : x
  2. Step 2: Convert to fraction form
    264,499/402,285 = 402,285/x
  3. Step 3: Cross multiply
    264,499x = 402,285 × 402,285
  4. Step 4: Simplify right side
    264,499x = 161,833,221,225
  5. Step 5: Solve for x
    x = 161,833,221,225/264,499
  6. Step 6: Final answer
    x = 611,848.14

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.