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Finding the Third Proportional to 366,943 and 808,381

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Solution

The third proportional to 366,943 and 808,381 is: 1,780,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,943 : 808,381 = 808,381 : x
  2. Step 2: Convert to fraction form
    366,943/808,381 = 808,381/x
  3. Step 3: Cross multiply
    366,943x = 808,381 × 808,381
  4. Step 4: Simplify right side
    366,943x = 653,479,841,161
  5. Step 5: Solve for x
    x = 653,479,841,161/366,943
  6. Step 6: Final answer
    x = 1,780,875.62

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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.