Home / 840,132-1,275,732

Finding the Third Proportional to 840,132 and 1,275,732

Calculator

Solution

The third proportional to 840,132 and 1,275,732 is: 1,937,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,132 : 1,275,732 = 1,275,732 : x
  2. Step 2: Convert to fraction form
    840,132/1,275,732 = 1,275,732/x
  3. Step 3: Cross multiply
    840,132x = 1,275,732 × 1,275,732
  4. Step 4: Simplify right side
    840,132x = 1,627,492,135,824
  5. Step 5: Solve for x
    x = 1,627,492,135,824/840,132
  6. Step 6: Final answer
    x = 1,937,186.22

Related Problems

Find third proportional to 420,066 and 637,866
Half scale
Find third proportional to 1,680,264 and 2,551,464
Double scale
Find third proportional to 840,134 and 1,275,735
Similar ratio
Find third proportional to 1,260,198 and 1,913,598
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.