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Finding the Third Proportional to 980,536.86 and 2,118,629.02

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Solution

The third proportional to 980,536.86 and 2,118,629.02 is: 4,577,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,536.86 : 2,118,629.02 = 2,118,629.02 : x
  2. Step 2: Convert to fraction form
    980,536.86/2,118,629.02 = 2,118,629.02/x
  3. Step 3: Cross multiply
    980,536.86x = 2,118,629.02 × 2,118,629.02
  4. Step 4: Simplify right side
    980,536.86x = 4,488,588,921,365.42
  5. Step 5: Solve for x
    x = 4,488,588,921,365.42/980,536.86
  6. Step 6: Final answer
    x = 4,577,685.05

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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.