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Finding the Third Proportional to 260,804 and 556,057

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Solution

The third proportional to 260,804 and 556,057 is: 1,185,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,804 : 556,057 = 556,057 : x
  2. Step 2: Convert to fraction form
    260,804/556,057 = 556,057/x
  3. Step 3: Cross multiply
    260,804x = 556,057 × 556,057
  4. Step 4: Simplify right side
    260,804x = 309,199,387,249
  5. Step 5: Solve for x
    x = 309,199,387,249/260,804
  6. Step 6: Final answer
    x = 1,185,562.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.