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Finding the Third Proportional to 263,742 and 578,028

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Solution

The third proportional to 263,742 and 578,028 is: 1,266,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,742 : 578,028 = 578,028 : x
  2. Step 2: Convert to fraction form
    263,742/578,028 = 578,028/x
  3. Step 3: Cross multiply
    263,742x = 578,028 × 578,028
  4. Step 4: Simplify right side
    263,742x = 334,116,368,784
  5. Step 5: Solve for x
    x = 334,116,368,784/263,742
  6. Step 6: Final answer
    x = 1,266,830.34

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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.