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Finding the Third Proportional to 3,742,618.75 and 8,120,477.75

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Solution

The third proportional to 3,742,618.75 and 8,120,477.75 is: 17,619,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,618.75 : 8,120,477.75 = 8,120,477.75 : x
  2. Step 2: Convert to fraction form
    3,742,618.75/8,120,477.75 = 8,120,477.75/x
  3. Step 3: Cross multiply
    3,742,618.75x = 8,120,477.75 × 8,120,477.75
  4. Step 4: Simplify right side
    3,742,618.75x = 65,942,158,888,245.06
  5. Step 5: Solve for x
    x = 65,942,158,888,245.06/3,742,618.75
  6. Step 6: Final answer
    x = 17,619,256.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.