Home / 8,178,724-12,382,710

Finding the Third Proportional to 8,178,724 and 12,382,710

Calculator

Solution

The third proportional to 8,178,724 and 12,382,710 is: 18,747,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,724 : 12,382,710 = 12,382,710 : x
  2. Step 2: Convert to fraction form
    8,178,724/12,382,710 = 12,382,710/x
  3. Step 3: Cross multiply
    8,178,724x = 12,382,710 × 12,382,710
  4. Step 4: Simplify right side
    8,178,724x = 153,331,506,944,100
  5. Step 5: Solve for x
    x = 153,331,506,944,100/8,178,724
  6. Step 6: Final answer
    x = 18,747,607.44

Related Problems

Find third proportional to 4,089,362 and 6,191,355
Half scale
Find third proportional to 16,357,448 and 24,765,420
Double scale
Find third proportional to 8,178,726 and 12,382,713
Similar ratio
Find third proportional to 12,268,086 and 18,574,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.