Home / 213,660-499,157

Finding the Third Proportional to 213,660 and 499,157

Calculator

Solution

The third proportional to 213,660 and 499,157 is: 1,166,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,660 : 499,157 = 499,157 : x
  2. Step 2: Convert to fraction form
    213,660/499,157 = 499,157/x
  3. Step 3: Cross multiply
    213,660x = 499,157 × 499,157
  4. Step 4: Simplify right side
    213,660x = 249,157,710,649
  5. Step 5: Solve for x
    x = 249,157,710,649/213,660
  6. Step 6: Final answer
    x = 1,166,141.12

Related Problems

Find third proportional to 106,830 and 249,578.50
Half scale
Find third proportional to 427,320 and 998,314
Double scale
Find third proportional to 213,662 and 499,162
Similar ratio
Find third proportional to 320,490 and 748,735.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.