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Finding the Third Proportional to 1,818,896.77 and 2,853,307.90

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Solution

The third proportional to 1,818,896.77 and 2,853,307.90 is: 4,475,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,896.77 : 2,853,307.90 = 2,853,307.90 : x
  2. Step 2: Convert to fraction form
    1,818,896.77/2,853,307.90 = 2,853,307.90/x
  3. Step 3: Cross multiply
    1,818,896.77x = 2,853,307.90 × 2,853,307.90
  4. Step 4: Simplify right side
    1,818,896.77x = 8,141,365,963,285.82
  5. Step 5: Solve for x
    x = 8,141,365,963,285.82/1,818,896.77
  6. Step 6: Final answer
    x = 4,475,991.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.