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Finding the Third Proportional to 1,139,811.75 and 1,804,858.88

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Solution

The third proportional to 1,139,811.75 and 1,804,858.88 is: 2,857,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,811.75 : 1,804,858.88 = 1,804,858.88 : x
  2. Step 2: Convert to fraction form
    1,139,811.75/1,804,858.88 = 1,804,858.88/x
  3. Step 3: Cross multiply
    1,139,811.75x = 1,804,858.88 × 1,804,858.88
  4. Step 4: Simplify right side
    1,139,811.75x = 3,257,515,558,666.27
  5. Step 5: Solve for x
    x = 3,257,515,558,666.27/1,139,811.75
  6. Step 6: Final answer
    x = 2,857,941.72

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.