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Finding the Third Proportional to 245,411 and 519,112

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Solution

The third proportional to 245,411 and 519,112 is: 1,098,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,411 : 519,112 = 519,112 : x
  2. Step 2: Convert to fraction form
    245,411/519,112 = 519,112/x
  3. Step 3: Cross multiply
    245,411x = 519,112 × 519,112
  4. Step 4: Simplify right side
    245,411x = 269,477,268,544
  5. Step 5: Solve for x
    x = 269,477,268,544/245,411
  6. Step 6: Final answer
    x = 1,098,065.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.