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Finding the Third Proportional to 578,488 and 1,250,556

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Solution

The third proportional to 578,488 and 1,250,556 is: 2,703,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,488 : 1,250,556 = 1,250,556 : x
  2. Step 2: Convert to fraction form
    578,488/1,250,556 = 1,250,556/x
  3. Step 3: Cross multiply
    578,488x = 1,250,556 × 1,250,556
  4. Step 4: Simplify right side
    578,488x = 1,563,890,309,136
  5. Step 5: Solve for x
    x = 1,563,890,309,136/578,488
  6. Step 6: Final answer
    x = 2,703,410.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.