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Finding the Third Proportional to 101,382,973.88 and 208,140,564.38

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Solution

The third proportional to 101,382,973.88 and 208,140,564.38 is: 427,315,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,382,973.88 : 208,140,564.38 = 208,140,564.38 : x
  2. Step 2: Convert to fraction form
    101,382,973.88/208,140,564.38 = 208,140,564.38/x
  3. Step 3: Cross multiply
    101,382,973.88x = 208,140,564.38 × 208,140,564.38
  4. Step 4: Simplify right side
    101,382,973.88x = 43,322,494,538,343,520
  5. Step 5: Solve for x
    x = 43,322,494,538,343,520/101,382,973.88
  6. Step 6: Final answer
    x = 427,315,286.61

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