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Finding the Third Proportional to 476,775 and 720,023

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Solution

The third proportional to 476,775 and 720,023 is: 1,087,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,775 : 720,023 = 720,023 : x
  2. Step 2: Convert to fraction form
    476,775/720,023 = 720,023/x
  3. Step 3: Cross multiply
    476,775x = 720,023 × 720,023
  4. Step 4: Simplify right side
    476,775x = 518,433,120,529
  5. Step 5: Solve for x
    x = 518,433,120,529/476,775
  6. Step 6: Final answer
    x = 1,087,374.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.