Home / 340,686-716,678

Finding the Third Proportional to 340,686 and 716,678

Calculator

Solution

The third proportional to 340,686 and 716,678 is: 1,507,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,686 : 716,678 = 716,678 : x
  2. Step 2: Convert to fraction form
    340,686/716,678 = 716,678/x
  3. Step 3: Cross multiply
    340,686x = 716,678 × 716,678
  4. Step 4: Simplify right side
    340,686x = 513,627,355,684
  5. Step 5: Solve for x
    x = 513,627,355,684/340,686
  6. Step 6: Final answer
    x = 1,507,626.83

Related Problems

Find third proportional to 170,343 and 358,339
Half scale
Find third proportional to 681,372 and 1,433,356
Double scale
Find third proportional to 340,688 and 716,682
Similar ratio
Find third proportional to 511,029 and 1,075,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.