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Finding the Third Proportional to 470,400.75 and 716,662.13

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Solution

The third proportional to 470,400.75 and 716,662.13 is: 1,091,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,400.75 : 716,662.13 = 716,662.13 : x
  2. Step 2: Convert to fraction form
    470,400.75/716,662.13 = 716,662.13/x
  3. Step 3: Cross multiply
    470,400.75x = 716,662.13 × 716,662.13
  4. Step 4: Simplify right side
    470,400.75x = 513,604,601,409.52
  5. Step 5: Solve for x
    x = 513,604,601,409.52/470,400.75
  6. Step 6: Final answer
    x = 1,091,844.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.