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Finding the Third Proportional to 139,630.08 and 301,397.84

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Solution

The third proportional to 139,630.08 and 301,397.84 is: 650,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,630.08 : 301,397.84 = 301,397.84 : x
  2. Step 2: Convert to fraction form
    139,630.08/301,397.84 = 301,397.84/x
  3. Step 3: Cross multiply
    139,630.08x = 301,397.84 × 301,397.84
  4. Step 4: Simplify right side
    139,630.08x = 90,840,655,507.81
  5. Step 5: Solve for x
    x = 90,840,655,507.81/139,630.08
  6. Step 6: Final answer
    x = 650,580.85

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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.