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Finding the Third Proportional to 470,412 and 706,679

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Solution

The third proportional to 470,412 and 706,679 is: 1,061,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,412 : 706,679 = 706,679 : x
  2. Step 2: Convert to fraction form
    470,412/706,679 = 706,679/x
  3. Step 3: Cross multiply
    470,412x = 706,679 × 706,679
  4. Step 4: Simplify right side
    470,412x = 499,395,209,041
  5. Step 5: Solve for x
    x = 499,395,209,041/470,412
  6. Step 6: Final answer
    x = 1,061,612.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.