Home / 21,206,871,157.50-31,626,403,215.75

Finding the Third Proportional to 21,206,871,157.50 and 31,626,403,215.75

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Solution

The third proportional to 21,206,871,157.50 and 31,626,403,215.75 is: 47,165,344,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,871,157.50 : 31,626,403,215.75 = 31,626,403,215.75 : x
  2. Step 2: Convert to fraction form
    21,206,871,157.50/31,626,403,215.75 = 31,626,403,215.75/x
  3. Step 3: Cross multiply
    21,206,871,157.50x = 31,626,403,215.75 × 31,626,403,215.75
  4. Step 4: Simplify right side
    21,206,871,157.50x = 1,000,229,380,365,201,965,056
  5. Step 5: Solve for x
    x = 1,000,229,380,365,201,965,056/21,206,871,157.50
  6. Step 6: Final answer
    x = 47,165,344,332.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.