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Finding the Third Proportional to 579,417.75 and 779,699.25

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Solution

The third proportional to 579,417.75 and 779,699.25 is: 1,049,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,417.75 : 779,699.25 = 779,699.25 : x
  2. Step 2: Convert to fraction form
    579,417.75/779,699.25 = 779,699.25/x
  3. Step 3: Cross multiply
    579,417.75x = 779,699.25 × 779,699.25
  4. Step 4: Simplify right side
    579,417.75x = 607,930,920,450.56
  5. Step 5: Solve for x
    x = 607,930,920,450.56/579,417.75
  6. Step 6: Final answer
    x = 1,049,210.04

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.