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Finding the Third Proportional to 615,624 and 925,218

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Solution

The third proportional to 615,624 and 925,218 is: 1,390,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,624 : 925,218 = 925,218 : x
  2. Step 2: Convert to fraction form
    615,624/925,218 = 925,218/x
  3. Step 3: Cross multiply
    615,624x = 925,218 × 925,218
  4. Step 4: Simplify right side
    615,624x = 856,028,347,524
  5. Step 5: Solve for x
    x = 856,028,347,524/615,624
  6. Step 6: Final answer
    x = 1,390,505.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.