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Finding the Third Proportional to 282,779 and 609,830

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Solution

The third proportional to 282,779 and 609,830 is: 1,315,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,779 : 609,830 = 609,830 : x
  2. Step 2: Convert to fraction form
    282,779/609,830 = 609,830/x
  3. Step 3: Cross multiply
    282,779x = 609,830 × 609,830
  4. Step 4: Simplify right side
    282,779x = 371,892,628,900
  5. Step 5: Solve for x
    x = 371,892,628,900/282,779
  6. Step 6: Final answer
    x = 1,315,135.24

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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.