Home / 4,119,356.25-8,615,139.75

Finding the Third Proportional to 4,119,356.25 and 8,615,139.75

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Solution

The third proportional to 4,119,356.25 and 8,615,139.75 is: 18,017,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,356.25 : 8,615,139.75 = 8,615,139.75 : x
  2. Step 2: Convert to fraction form
    4,119,356.25/8,615,139.75 = 8,615,139.75/x
  3. Step 3: Cross multiply
    4,119,356.25x = 8,615,139.75 × 8,615,139.75
  4. Step 4: Simplify right side
    4,119,356.25x = 74,220,632,912,030.06
  5. Step 5: Solve for x
    x = 74,220,632,912,030.06/4,119,356.25
  6. Step 6: Final answer
    x = 18,017,531.97

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.