Home / 8,739,360-13,679,478

Finding the Third Proportional to 8,739,360 and 13,679,478

Calculator

Solution

The third proportional to 8,739,360 and 13,679,478 is: 21,412,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739,360 : 13,679,478 = 13,679,478 : x
  2. Step 2: Convert to fraction form
    8,739,360/13,679,478 = 13,679,478/x
  3. Step 3: Cross multiply
    8,739,360x = 13,679,478 × 13,679,478
  4. Step 4: Simplify right side
    8,739,360x = 187,128,118,352,484
  5. Step 5: Solve for x
    x = 187,128,118,352,484/8,739,360
  6. Step 6: Final answer
    x = 21,412,107.79

Related Problems

Find third proportional to 4,369,680 and 6,839,739
Half scale
Find third proportional to 17,478,720 and 27,358,956
Double scale
Find third proportional to 8,739,362 and 13,679,481
Similar ratio
Find third proportional to 13,109,040 and 20,519,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.