Home / 8,214,480-12,769,758

Finding the Third Proportional to 8,214,480 and 12,769,758

Calculator

Solution

The third proportional to 8,214,480 and 12,769,758 is: 19,851,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,480 : 12,769,758 = 12,769,758 : x
  2. Step 2: Convert to fraction form
    8,214,480/12,769,758 = 12,769,758/x
  3. Step 3: Cross multiply
    8,214,480x = 12,769,758 × 12,769,758
  4. Step 4: Simplify right side
    8,214,480x = 163,066,719,378,564
  5. Step 5: Solve for x
    x = 163,066,719,378,564/8,214,480
  6. Step 6: Final answer
    x = 19,851,131.10

Related Problems

Find third proportional to 4,107,240 and 6,384,879
Half scale
Find third proportional to 16,428,960 and 25,539,516
Double scale
Find third proportional to 8,214,482 and 12,769,761
Similar ratio
Find third proportional to 12,321,720 and 19,154,637
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.