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Finding the Third Proportional to 636,348 and 891,954

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Solution

The third proportional to 636,348 and 891,954 is: 1,250,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,348 : 891,954 = 891,954 : x
  2. Step 2: Convert to fraction form
    636,348/891,954 = 891,954/x
  3. Step 3: Cross multiply
    636,348x = 891,954 × 891,954
  4. Step 4: Simplify right side
    636,348x = 795,581,938,116
  5. Step 5: Solve for x
    x = 795,581,938,116/636,348
  6. Step 6: Final answer
    x = 1,250,230.91

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.