Home / 151,628,709.38-216,681,361.03

Finding the Third Proportional to 151,628,709.38 and 216,681,361.03

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Solution

The third proportional to 151,628,709.38 and 216,681,361.03 is: 309,643,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,628,709.38 : 216,681,361.03 = 216,681,361.03 : x
  2. Step 2: Convert to fraction form
    151,628,709.38/216,681,361.03 = 216,681,361.03/x
  3. Step 3: Cross multiply
    151,628,709.38x = 216,681,361.03 × 216,681,361.03
  4. Step 4: Simplify right side
    151,628,709.38x = 46,950,812,218,354,904
  5. Step 5: Solve for x
    x = 46,950,812,218,354,904/151,628,709.38
  6. Step 6: Final answer
    x = 309,643,288.61

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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.