Home / 138,949,688-204,382,956

Finding the Third Proportional to 138,949,688 and 204,382,956

Calculator

Solution

The third proportional to 138,949,688 and 204,382,956 is: 300,629,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,949,688 : 204,382,956 = 204,382,956 : x
  2. Step 2: Convert to fraction form
    138,949,688/204,382,956 = 204,382,956/x
  3. Step 3: Cross multiply
    138,949,688x = 204,382,956 × 204,382,956
  4. Step 4: Simplify right side
    138,949,688x = 41,772,392,703,297,936
  5. Step 5: Solve for x
    x = 41,772,392,703,297,936/138,949,688
  6. Step 6: Final answer
    x = 300,629,625.76

Related Problems

Find third proportional to 69,474,844 and 102,191,478
Half scale
Find third proportional to 277,899,376 and 408,765,912
Double scale
Find third proportional to 138,949,690 and 204,382,959
Similar ratio
Find third proportional to 208,424,532 and 306,574,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.