Home / 170,440-371,642

Finding the Third Proportional to 170,440 and 371,642

Calculator

Solution

The third proportional to 170,440 and 371,642 is: 810,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,440 : 371,642 = 371,642 : x
  2. Step 2: Convert to fraction form
    170,440/371,642 = 371,642/x
  3. Step 3: Cross multiply
    170,440x = 371,642 × 371,642
  4. Step 4: Simplify right side
    170,440x = 138,117,776,164
  5. Step 5: Solve for x
    x = 138,117,776,164/170,440
  6. Step 6: Final answer
    x = 810,360.10

Related Problems

Find third proportional to 85,220 and 185,821
Half scale
Find third proportional to 340,880 and 743,284
Double scale
Find third proportional to 170,442 and 371,646
Similar ratio
Find third proportional to 255,660 and 557,463
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.