Home / 518,340-846,408

Finding the Third Proportional to 518,340 and 846,408

Calculator

Solution

The third proportional to 518,340 and 846,408 is: 1,382,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,340 : 846,408 = 846,408 : x
  2. Step 2: Convert to fraction form
    518,340/846,408 = 846,408/x
  3. Step 3: Cross multiply
    518,340x = 846,408 × 846,408
  4. Step 4: Simplify right side
    518,340x = 716,406,502,464
  5. Step 5: Solve for x
    x = 716,406,502,464/518,340
  6. Step 6: Final answer
    x = 1,382,116.96

Related Problems

Find third proportional to 259,170 and 423,204
Half scale
Find third proportional to 1,036,680 and 1,692,816
Double scale
Find third proportional to 518,342 and 846,411
Similar ratio
Find third proportional to 777,510 and 1,269,612
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.