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Finding the Third Proportional to 631,661.50 and 971,889.25

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Solution

The third proportional to 631,661.50 and 971,889.25 is: 1,495,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,661.50 : 971,889.25 = 971,889.25 : x
  2. Step 2: Convert to fraction form
    631,661.50/971,889.25 = 971,889.25/x
  3. Step 3: Cross multiply
    631,661.50x = 971,889.25 × 971,889.25
  4. Step 4: Simplify right side
    631,661.50x = 944,568,714,265.56
  5. Step 5: Solve for x
    x = 944,568,714,265.56/631,661.50
  6. Step 6: Final answer
    x = 1,495,371.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.