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Finding the Third Proportional to 1,363,057.88 and 2,138,420.25

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Solution

The third proportional to 1,363,057.88 and 2,138,420.25 is: 3,354,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,057.88 : 2,138,420.25 = 2,138,420.25 : x
  2. Step 2: Convert to fraction form
    1,363,057.88/2,138,420.25 = 2,138,420.25/x
  3. Step 3: Cross multiply
    1,363,057.88x = 2,138,420.25 × 2,138,420.25
  4. Step 4: Simplify right side
    1,363,057.88x = 4,572,841,165,610.06
  5. Step 5: Solve for x
    x = 4,572,841,165,610.06/1,363,057.88
  6. Step 6: Final answer
    x = 3,354,840.06

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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.