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Finding the Third Proportional to 30,135,047.63 and 65,407,358.25

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Solution

The third proportional to 30,135,047.63 and 65,407,358.25 is: 141,965,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135,047.63 : 65,407,358.25 = 65,407,358.25 : x
  2. Step 2: Convert to fraction form
    30,135,047.63/65,407,358.25 = 65,407,358.25/x
  3. Step 3: Cross multiply
    30,135,047.63x = 65,407,358.25 × 65,407,358.25
  4. Step 4: Simplify right side
    30,135,047.63x = 4,278,122,513,243,843
  5. Step 5: Solve for x
    x = 4,278,122,513,243,843/30,135,047.63
  6. Step 6: Final answer
    x = 141,965,015.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.