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Finding the Third Proportional to 1,038,566.81 and 2,159,692.88

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Solution

The third proportional to 1,038,566.81 and 2,159,692.88 is: 4,491,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,566.81 : 2,159,692.88 = 2,159,692.88 : x
  2. Step 2: Convert to fraction form
    1,038,566.81/2,159,692.88 = 2,159,692.88/x
  3. Step 3: Cross multiply
    1,038,566.81x = 2,159,692.88 × 2,159,692.88
  4. Step 4: Simplify right side
    1,038,566.81x = 4,664,273,314,325.77
  5. Step 5: Solve for x
    x = 4,664,273,314,325.77/1,038,566.81
  6. Step 6: Final answer
    x = 4,491,067.17

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.