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Finding the Third Proportional to 873,216 and 1,388,556

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Solution

The third proportional to 873,216 and 1,388,556 is: 2,208,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,216 : 1,388,556 = 1,388,556 : x
  2. Step 2: Convert to fraction form
    873,216/1,388,556 = 1,388,556/x
  3. Step 3: Cross multiply
    873,216x = 1,388,556 × 1,388,556
  4. Step 4: Simplify right side
    873,216x = 1,928,087,765,136
  5. Step 5: Solve for x
    x = 1,928,087,765,136/873,216
  6. Step 6: Final answer
    x = 2,208,030.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.