Home / 340,480-538,876

Finding the Third Proportional to 340,480 and 538,876

Calculator

Solution

The third proportional to 340,480 and 538,876 is: 852,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,480 : 538,876 = 538,876 : x
  2. Step 2: Convert to fraction form
    340,480/538,876 = 538,876/x
  3. Step 3: Cross multiply
    340,480x = 538,876 × 538,876
  4. Step 4: Simplify right side
    340,480x = 290,387,343,376
  5. Step 5: Solve for x
    x = 290,387,343,376/340,480
  6. Step 6: Final answer
    x = 852,876.36

Related Problems

Find third proportional to 170,240 and 269,438
Half scale
Find third proportional to 680,960 and 1,077,752
Double scale
Find third proportional to 340,482 and 538,879
Similar ratio
Find third proportional to 510,720 and 808,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.