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Finding the Third Proportional to 1,372,684.22 and 2,087,013.09

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Solution

The third proportional to 1,372,684.22 and 2,087,013.09 is: 3,173,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,684.22 : 2,087,013.09 = 2,087,013.09 : x
  2. Step 2: Convert to fraction form
    1,372,684.22/2,087,013.09 = 2,087,013.09/x
  3. Step 3: Cross multiply
    1,372,684.22x = 2,087,013.09 × 2,087,013.09
  4. Step 4: Simplify right side
    1,372,684.22x = 4,355,623,653,483.95
  5. Step 5: Solve for x
    x = 4,355,623,653,483.95/1,372,684.22
  6. Step 6: Final answer
    x = 3,173,070.39

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.