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Finding the Third Proportional to 175,312 and 385,568

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Solution

The third proportional to 175,312 and 385,568 is: 847,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,312 : 385,568 = 385,568 : x
  2. Step 2: Convert to fraction form
    175,312/385,568 = 385,568/x
  3. Step 3: Cross multiply
    175,312x = 385,568 × 385,568
  4. Step 4: Simplify right side
    175,312x = 148,662,682,624
  5. Step 5: Solve for x
    x = 148,662,682,624/175,312
  6. Step 6: Final answer
    x = 847,989.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.