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Finding the Third Proportional to 598,194 and 1,290,312

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Solution

The third proportional to 598,194 and 1,290,312 is: 2,783,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,194 : 1,290,312 = 1,290,312 : x
  2. Step 2: Convert to fraction form
    598,194/1,290,312 = 1,290,312/x
  3. Step 3: Cross multiply
    598,194x = 1,290,312 × 1,290,312
  4. Step 4: Simplify right side
    598,194x = 1,664,905,057,344
  5. Step 5: Solve for x
    x = 1,664,905,057,344/598,194
  6. Step 6: Final answer
    x = 2,783,219.25

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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.