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Finding the Third Proportional to 190,402 and 413,581

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Solution

The third proportional to 190,402 and 413,581 is: 898,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,402 : 413,581 = 413,581 : x
  2. Step 2: Convert to fraction form
    190,402/413,581 = 413,581/x
  3. Step 3: Cross multiply
    190,402x = 413,581 × 413,581
  4. Step 4: Simplify right side
    190,402x = 171,049,243,561
  5. Step 5: Solve for x
    x = 171,049,243,561/190,402
  6. Step 6: Final answer
    x = 898,358.44

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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.