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Finding the Third Proportional to 712,556 and 1,567,621

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Solution

The third proportional to 712,556 and 1,567,621 is: 3,448,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,556 : 1,567,621 = 1,567,621 : x
  2. Step 2: Convert to fraction form
    712,556/1,567,621 = 1,567,621/x
  3. Step 3: Cross multiply
    712,556x = 1,567,621 × 1,567,621
  4. Step 4: Simplify right side
    712,556x = 2,457,435,599,641
  5. Step 5: Solve for x
    x = 2,457,435,599,641/712,556
  6. Step 6: Final answer
    x = 3,448,761.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.