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Finding the Third Proportional to 235,810 and 509,140

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Solution

The third proportional to 235,810 and 509,140 is: 1,099,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,810 : 509,140 = 509,140 : x
  2. Step 2: Convert to fraction form
    235,810/509,140 = 509,140/x
  3. Step 3: Cross multiply
    235,810x = 509,140 × 509,140
  4. Step 4: Simplify right side
    235,810x = 259,223,539,600
  5. Step 5: Solve for x
    x = 259,223,539,600/235,810
  6. Step 6: Final answer
    x = 1,099,289.85

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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.