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Finding the Third Proportional to 843,999.75 and 1,298,713.50

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Solution

The third proportional to 843,999.75 and 1,298,713.50 is: 1,998,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,999.75 : 1,298,713.50 = 1,298,713.50 : x
  2. Step 2: Convert to fraction form
    843,999.75/1,298,713.50 = 1,298,713.50/x
  3. Step 3: Cross multiply
    843,999.75x = 1,298,713.50 × 1,298,713.50
  4. Step 4: Simplify right side
    843,999.75x = 1,686,656,755,082.25
  5. Step 5: Solve for x
    x = 1,686,656,755,082.25/843,999.75
  6. Step 6: Final answer
    x = 1,998,409.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.