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Finding the Third Proportional to 174,720 and 382,154

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Solution

The third proportional to 174,720 and 382,154 is: 835,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,720 : 382,154 = 382,154 : x
  2. Step 2: Convert to fraction form
    174,720/382,154 = 382,154/x
  3. Step 3: Cross multiply
    174,720x = 382,154 × 382,154
  4. Step 4: Simplify right side
    174,720x = 146,041,679,716
  5. Step 5: Solve for x
    x = 146,041,679,716/174,720
  6. Step 6: Final answer
    x = 835,861.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.