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Finding the Third Proportional to 248,782 and 530,088

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Solution

The third proportional to 248,782 and 530,088 is: 1,129,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,782 : 530,088 = 530,088 : x
  2. Step 2: Convert to fraction form
    248,782/530,088 = 530,088/x
  3. Step 3: Cross multiply
    248,782x = 530,088 × 530,088
  4. Step 4: Simplify right side
    248,782x = 280,993,287,744
  5. Step 5: Solve for x
    x = 280,993,287,744/248,782
  6. Step 6: Final answer
    x = 1,129,475.96

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.