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Finding the Third Proportional to 190,644 and 414,492

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Solution

The third proportional to 190,644 and 414,492 is: 901,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,644 : 414,492 = 414,492 : x
  2. Step 2: Convert to fraction form
    190,644/414,492 = 414,492/x
  3. Step 3: Cross multiply
    190,644x = 414,492 × 414,492
  4. Step 4: Simplify right side
    190,644x = 171,803,618,064
  5. Step 5: Solve for x
    x = 171,803,618,064/190,644
  6. Step 6: Final answer
    x = 901,175.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.