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Finding the Third Proportional to 1,778,073.75 and 3,840,447.75

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Solution

The third proportional to 1,778,073.75 and 3,840,447.75 is: 8,294,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,073.75 : 3,840,447.75 = 3,840,447.75 : x
  2. Step 2: Convert to fraction form
    1,778,073.75/3,840,447.75 = 3,840,447.75/x
  3. Step 3: Cross multiply
    1,778,073.75x = 3,840,447.75 × 3,840,447.75
  4. Step 4: Simplify right side
    1,778,073.75x = 14,749,038,920,480.06
  5. Step 5: Solve for x
    x = 14,749,038,920,480.06/1,778,073.75
  6. Step 6: Final answer
    x = 8,294,953.41

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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.