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Finding the Third Proportional to 245,949 and 530,643

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Solution

The third proportional to 245,949 and 530,643 is: 1,144,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,949 : 530,643 = 530,643 : x
  2. Step 2: Convert to fraction form
    245,949/530,643 = 530,643/x
  3. Step 3: Cross multiply
    245,949x = 530,643 × 530,643
  4. Step 4: Simplify right side
    245,949x = 281,581,993,449
  5. Step 5: Solve for x
    x = 281,581,993,449/245,949
  6. Step 6: Final answer
    x = 1,144,879.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.