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Finding the Third Proportional to 69,360,630.75 and 149,184,007.88

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Solution

The third proportional to 69,360,630.75 and 149,184,007.88 is: 320,871,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,360,630.75 : 149,184,007.88 = 149,184,007.88 : x
  2. Step 2: Convert to fraction form
    69,360,630.75/149,184,007.88 = 149,184,007.88/x
  3. Step 3: Cross multiply
    69,360,630.75x = 149,184,007.88 × 149,184,007.88
  4. Step 4: Simplify right side
    69,360,630.75x = 22,255,868,205,648,064
  5. Step 5: Solve for x
    x = 22,255,868,205,648,064/69,360,630.75
  6. Step 6: Final answer
    x = 320,871,767.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.