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Finding the Third Proportional to 511,278 and 1,112,338.50

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Solution

The third proportional to 511,278 and 1,112,338.50 is: 2,420,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,278 : 1,112,338.50 = 1,112,338.50 : x
  2. Step 2: Convert to fraction form
    511,278/1,112,338.50 = 1,112,338.50/x
  3. Step 3: Cross multiply
    511,278x = 1,112,338.50 × 1,112,338.50
  4. Step 4: Simplify right side
    511,278x = 1,237,296,938,582.25
  5. Step 5: Solve for x
    x = 1,237,296,938,582.25/511,278
  6. Step 6: Final answer
    x = 2,420,008.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.