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Finding the Third Proportional to 201,275,086 and 438,986,686

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Solution

The third proportional to 201,275,086 and 438,986,686 is: 957,442,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,275,086 : 438,986,686 = 438,986,686 : x
  2. Step 2: Convert to fraction form
    201,275,086/438,986,686 = 438,986,686/x
  3. Step 3: Cross multiply
    201,275,086x = 438,986,686 × 438,986,686
  4. Step 4: Simplify right side
    201,275,086x = 192,709,310,485,262,592
  5. Step 5: Solve for x
    x = 192,709,310,485,262,592/201,275,086
  6. Step 6: Final answer
    x = 957,442,445.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.