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Finding the Third Proportional to 356,004 and 782,010

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Solution

The third proportional to 356,004 and 782,010 is: 1,717,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,004 : 782,010 = 782,010 : x
  2. Step 2: Convert to fraction form
    356,004/782,010 = 782,010/x
  3. Step 3: Cross multiply
    356,004x = 782,010 × 782,010
  4. Step 4: Simplify right side
    356,004x = 611,539,640,100
  5. Step 5: Solve for x
    x = 611,539,640,100/356,004
  6. Step 6: Final answer
    x = 1,717,788.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.