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Finding the Third Proportional to 283,130 and 618,766

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Solution

The third proportional to 283,130 and 618,766 is: 1,352,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,130 : 618,766 = 618,766 : x
  2. Step 2: Convert to fraction form
    283,130/618,766 = 618,766/x
  3. Step 3: Cross multiply
    283,130x = 618,766 × 618,766
  4. Step 4: Simplify right side
    283,130x = 382,871,362,756
  5. Step 5: Solve for x
    x = 382,871,362,756/283,130
  6. Step 6: Final answer
    x = 1,352,281.15

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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.