Home / 253,760,427.28-403,782,716.81

Finding the Third Proportional to 253,760,427.28 and 403,782,716.81

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Solution

The third proportional to 253,760,427.28 and 403,782,716.81 is: 642,497,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,760,427.28 : 403,782,716.81 = 403,782,716.81 : x
  2. Step 2: Convert to fraction form
    253,760,427.28/403,782,716.81 = 403,782,716.81/x
  3. Step 3: Cross multiply
    253,760,427.28x = 403,782,716.81 × 403,782,716.81
  4. Step 4: Simplify right side
    253,760,427.28x = 163,040,482,396,483,584
  5. Step 5: Solve for x
    x = 163,040,482,396,483,584/253,760,427.28
  6. Step 6: Final answer
    x = 642,497,666.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.