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Finding the Third Proportional to 910,999 and 1,993,611

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Solution

The third proportional to 910,999 and 1,993,611 is: 4,362,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,999 : 1,993,611 = 1,993,611 : x
  2. Step 2: Convert to fraction form
    910,999/1,993,611 = 1,993,611/x
  3. Step 3: Cross multiply
    910,999x = 1,993,611 × 1,993,611
  4. Step 4: Simplify right side
    910,999x = 3,974,484,819,321
  5. Step 5: Solve for x
    x = 3,974,484,819,321/910,999
  6. Step 6: Final answer
    x = 4,362,776.27

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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.