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Finding the Third Proportional to 347,454 and 522,015

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Solution

The third proportional to 347,454 and 522,015 is: 784,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,454 : 522,015 = 522,015 : x
  2. Step 2: Convert to fraction form
    347,454/522,015 = 522,015/x
  3. Step 3: Cross multiply
    347,454x = 522,015 × 522,015
  4. Step 4: Simplify right side
    347,454x = 272,499,660,225
  5. Step 5: Solve for x
    x = 272,499,660,225/347,454
  6. Step 6: Final answer
    x = 784,275.50

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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.