Home / 8,421,710-18,522,652

Finding the Third Proportional to 8,421,710 and 18,522,652

Calculator

Solution

The third proportional to 8,421,710 and 18,522,652 is: 40,738,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,710 : 18,522,652 = 18,522,652 : x
  2. Step 2: Convert to fraction form
    8,421,710/18,522,652 = 18,522,652/x
  3. Step 3: Cross multiply
    8,421,710x = 18,522,652 × 18,522,652
  4. Step 4: Simplify right side
    8,421,710x = 343,088,637,113,104
  5. Step 5: Solve for x
    x = 343,088,637,113,104/8,421,710
  6. Step 6: Final answer
    x = 40,738,595.50

Related Problems

Find third proportional to 4,210,855 and 9,261,326
Half scale
Find third proportional to 16,843,420 and 37,045,304
Double scale
Find third proportional to 8,421,712 and 18,522,656
Similar ratio
Find third proportional to 12,632,565 and 27,783,978
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.