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Finding the Third Proportional to 197,632,240 and 429,286,168

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Solution

The third proportional to 197,632,240 and 429,286,168 is: 932,472,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632,240 : 429,286,168 = 429,286,168 : x
  2. Step 2: Convert to fraction form
    197,632,240/429,286,168 = 429,286,168/x
  3. Step 3: Cross multiply
    197,632,240x = 429,286,168 × 429,286,168
  4. Step 4: Simplify right side
    197,632,240x = 184,286,614,036,124,224
  5. Step 5: Solve for x
    x = 184,286,614,036,124,224/197,632,240
  6. Step 6: Final answer
    x = 932,472,424.72

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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.