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Finding the Third Proportional to 218,114 and 470,598

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Solution

The third proportional to 218,114 and 470,598 is: 1,015,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,114 : 470,598 = 470,598 : x
  2. Step 2: Convert to fraction form
    218,114/470,598 = 470,598/x
  3. Step 3: Cross multiply
    218,114x = 470,598 × 470,598
  4. Step 4: Simplify right side
    218,114x = 221,462,477,604
  5. Step 5: Solve for x
    x = 221,462,477,604/218,114
  6. Step 6: Final answer
    x = 1,015,351.96

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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.