Home / 310,869-692,181

Finding the Third Proportional to 310,869 and 692,181

Calculator

Solution

The third proportional to 310,869 and 692,181 is: 1,541,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,869 : 692,181 = 692,181 : x
  2. Step 2: Convert to fraction form
    310,869/692,181 = 692,181/x
  3. Step 3: Cross multiply
    310,869x = 692,181 × 692,181
  4. Step 4: Simplify right side
    310,869x = 479,114,536,761
  5. Step 5: Solve for x
    x = 479,114,536,761/310,869
  6. Step 6: Final answer
    x = 1,541,210.40

Related Problems

Find third proportional to 155,434.50 and 346,090.50
Half scale
Find third proportional to 621,738 and 1,384,362
Double scale
Find third proportional to 310,871 and 692,185
Similar ratio
Find third proportional to 466,303.50 and 1,038,271.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.