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Finding the Third Proportional to 571,806 and 838,611

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Solution

The third proportional to 571,806 and 838,611 is: 1,229,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,806 : 838,611 = 838,611 : x
  2. Step 2: Convert to fraction form
    571,806/838,611 = 838,611/x
  3. Step 3: Cross multiply
    571,806x = 838,611 × 838,611
  4. Step 4: Simplify right side
    571,806x = 703,268,409,321
  5. Step 5: Solve for x
    x = 703,268,409,321/571,806
  6. Step 6: Final answer
    x = 1,229,907.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.