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Finding the Third Proportional to 839,718 and 1,799,230.50

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Solution

The third proportional to 839,718 and 1,799,230.50 is: 3,855,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,718 : 1,799,230.50 = 1,799,230.50 : x
  2. Step 2: Convert to fraction form
    839,718/1,799,230.50 = 1,799,230.50/x
  3. Step 3: Cross multiply
    839,718x = 1,799,230.50 × 1,799,230.50
  4. Step 4: Simplify right side
    839,718x = 3,237,230,392,130.25
  5. Step 5: Solve for x
    x = 3,237,230,392,130.25/839,718
  6. Step 6: Final answer
    x = 3,855,139.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.