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Finding the Third Proportional to 391,736.25 and 849,325.50

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Solution

The third proportional to 391,736.25 and 849,325.50 is: 1,841,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,736.25 : 849,325.50 = 849,325.50 : x
  2. Step 2: Convert to fraction form
    391,736.25/849,325.50 = 849,325.50/x
  3. Step 3: Cross multiply
    391,736.25x = 849,325.50 × 849,325.50
  4. Step 4: Simplify right side
    391,736.25x = 721,353,804,950.25
  5. Step 5: Solve for x
    x = 721,353,804,950.25/391,736.25
  6. Step 6: Final answer
    x = 1,841,427.25

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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.