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Finding the Third Proportional to 656,669 and 1,415,884

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Solution

The third proportional to 656,669 and 1,415,884 is: 3,052,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,669 : 1,415,884 = 1,415,884 : x
  2. Step 2: Convert to fraction form
    656,669/1,415,884 = 1,415,884/x
  3. Step 3: Cross multiply
    656,669x = 1,415,884 × 1,415,884
  4. Step 4: Simplify right side
    656,669x = 2,004,727,501,456
  5. Step 5: Solve for x
    x = 2,004,727,501,456/656,669
  6. Step 6: Final answer
    x = 3,052,873.67

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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.