Home / 290,286,766,629.28-403,620,545,561.06

Finding the Third Proportional to 290,286,766,629.28 and 403,620,545,561.06

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Solution

The third proportional to 290,286,766,629.28 and 403,620,545,561.06 is: 561,202,106,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,286,766,629.28 : 403,620,545,561.06 = 403,620,545,561.06 : x
  2. Step 2: Convert to fraction form
    290,286,766,629.28/403,620,545,561.06 = 403,620,545,561.06/x
  3. Step 3: Cross multiply
    290,286,766,629.28x = 403,620,545,561.06 × 403,620,545,561.06
  4. Step 4: Simplify right side
    290,286,766,629.28x = 162,909,544,799,007,712,215,040
  5. Step 5: Solve for x
    x = 162,909,544,799,007,712,215,040/290,286,766,629.28
  6. Step 6: Final answer
    x = 561,202,106,078.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.