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Finding the Third Proportional to 677,319 and 1,480,574

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Solution

The third proportional to 677,319 and 1,480,574 is: 3,236,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,319 : 1,480,574 = 1,480,574 : x
  2. Step 2: Convert to fraction form
    677,319/1,480,574 = 1,480,574/x
  3. Step 3: Cross multiply
    677,319x = 1,480,574 × 1,480,574
  4. Step 4: Simplify right side
    677,319x = 2,192,099,369,476
  5. Step 5: Solve for x
    x = 2,192,099,369,476/677,319
  6. Step 6: Final answer
    x = 3,236,435.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.