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Finding the Third Proportional to 555,034.78 and 1,212,790.22

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Solution

The third proportional to 555,034.78 and 1,212,790.22 is: 2,650,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,034.78 : 1,212,790.22 = 1,212,790.22 : x
  2. Step 2: Convert to fraction form
    555,034.78/1,212,790.22 = 1,212,790.22/x
  3. Step 3: Cross multiply
    555,034.78x = 1,212,790.22 × 1,212,790.22
  4. Step 4: Simplify right side
    555,034.78x = 1,470,860,114,695.67
  5. Step 5: Solve for x
    x = 1,470,860,114,695.67/555,034.78
  6. Step 6: Final answer
    x = 2,650,032.33

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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.