Home / 21,206,871,218.25-31,626,403,313.63

Finding the Third Proportional to 21,206,871,218.25 and 31,626,403,313.63

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Solution

The third proportional to 21,206,871,218.25 and 31,626,403,313.63 is: 47,165,344,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,871,218.25 : 31,626,403,313.63 = 31,626,403,313.63 : x
  2. Step 2: Convert to fraction form
    21,206,871,218.25/31,626,403,313.63 = 31,626,403,313.63/x
  3. Step 3: Cross multiply
    21,206,871,218.25x = 31,626,403,313.63 × 31,626,403,313.63
  4. Step 4: Simplify right side
    21,206,871,218.25x = 1,000,229,386,556,070,428,672
  5. Step 5: Solve for x
    x = 1,000,229,386,556,070,428,672/21,206,871,218.25
  6. Step 6: Final answer
    x = 47,165,344,489.63

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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.