Home / 151,622,756.51-216,672,453.56

Finding the Third Proportional to 151,622,756.51 and 216,672,453.56

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Solution

The third proportional to 151,622,756.51 and 216,672,453.56 is: 309,629,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,622,756.51 : 216,672,453.56 = 216,672,453.56 : x
  2. Step 2: Convert to fraction form
    151,622,756.51/216,672,453.56 = 216,672,453.56/x
  3. Step 3: Cross multiply
    151,622,756.51x = 216,672,453.56 × 216,672,453.56
  4. Step 4: Simplify right side
    151,622,756.51x = 46,946,952,132,793,720
  5. Step 5: Solve for x
    x = 46,946,952,132,793,720/151,622,756.51
  6. Step 6: Final answer
    x = 309,629,987.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.