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Finding the Third Proportional to 454,650 and 757,718.50

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Solution

The third proportional to 454,650 and 757,718.50 is: 1,262,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,650 : 757,718.50 = 757,718.50 : x
  2. Step 2: Convert to fraction form
    454,650/757,718.50 = 757,718.50/x
  3. Step 3: Cross multiply
    454,650x = 757,718.50 × 757,718.50
  4. Step 4: Simplify right side
    454,650x = 574,137,325,242.25
  5. Step 5: Solve for x
    x = 574,137,325,242.25/454,650
  6. Step 6: Final answer
    x = 1,262,811.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.