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Finding the Third Proportional to 412,926.75 and 631,733.63

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Solution

The third proportional to 412,926.75 and 631,733.63 is: 966,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,926.75 : 631,733.63 = 631,733.63 : x
  2. Step 2: Convert to fraction form
    412,926.75/631,733.63 = 631,733.63/x
  3. Step 3: Cross multiply
    412,926.75x = 631,733.63 × 631,733.63
  4. Step 4: Simplify right side
    412,926.75x = 399,087,372,955.64
  5. Step 5: Solve for x
    x = 399,087,372,955.64/412,926.75
  6. Step 6: Final answer
    x = 966,484.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.