Home / 30,219,171.19-64,750,147.03

Finding the Third Proportional to 30,219,171.19 and 64,750,147.03

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Solution

The third proportional to 30,219,171.19 and 64,750,147.03 is: 138,739,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219,171.19 : 64,750,147.03 = 64,750,147.03 : x
  2. Step 2: Convert to fraction form
    30,219,171.19/64,750,147.03 = 64,750,147.03/x
  3. Step 3: Cross multiply
    30,219,171.19x = 64,750,147.03 × 64,750,147.03
  4. Step 4: Simplify right side
    30,219,171.19x = 4,192,581,540,568,493
  5. Step 5: Solve for x
    x = 4,192,581,540,568,493/30,219,171.19
  6. Step 6: Final answer
    x = 138,739,130.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.