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Finding the Third Proportional to 354,426.75 and 777,749.25

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Solution

The third proportional to 354,426.75 and 777,749.25 is: 1,706,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,426.75 : 777,749.25 = 777,749.25 : x
  2. Step 2: Convert to fraction form
    354,426.75/777,749.25 = 777,749.25/x
  3. Step 3: Cross multiply
    354,426.75x = 777,749.25 × 777,749.25
  4. Step 4: Simplify right side
    354,426.75x = 604,893,895,875.56
  5. Step 5: Solve for x
    x = 604,893,895,875.56/354,426.75
  6. Step 6: Final answer
    x = 1,706,682.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.