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Finding the Third Proportional to 350,991 and 513,323

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Solution

The third proportional to 350,991 and 513,323 is: 750,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,991 : 513,323 = 513,323 : x
  2. Step 2: Convert to fraction form
    350,991/513,323 = 513,323/x
  3. Step 3: Cross multiply
    350,991x = 513,323 × 513,323
  4. Step 4: Simplify right side
    350,991x = 263,500,502,329
  5. Step 5: Solve for x
    x = 263,500,502,329/350,991
  6. Step 6: Final answer
    x = 750,732.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.