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Finding the Third Proportional to 454,977 and 713,660

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Solution

The third proportional to 454,977 and 713,660 is: 1,119,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,977 : 713,660 = 713,660 : x
  2. Step 2: Convert to fraction form
    454,977/713,660 = 713,660/x
  3. Step 3: Cross multiply
    454,977x = 713,660 × 713,660
  4. Step 4: Simplify right side
    454,977x = 509,310,595,600
  5. Step 5: Solve for x
    x = 509,310,595,600/454,977
  6. Step 6: Final answer
    x = 1,119,420.53

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.