Home / 2,070,132.19-4,243,531.78

Finding the Third Proportional to 2,070,132.19 and 4,243,531.78

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Solution

The third proportional to 2,070,132.19 and 4,243,531.78 is: 8,698,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,132.19 : 4,243,531.78 = 4,243,531.78 : x
  2. Step 2: Convert to fraction form
    2,070,132.19/4,243,531.78 = 4,243,531.78/x
  3. Step 3: Cross multiply
    2,070,132.19x = 4,243,531.78 × 4,243,531.78
  4. Step 4: Simplify right side
    2,070,132.19x = 18,007,561,978,478.80
  5. Step 5: Solve for x
    x = 18,007,561,978,478.80/2,070,132.19
  6. Step 6: Final answer
    x = 8,698,749.81

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.