Home / 249,288-540,640

Finding the Third Proportional to 249,288 and 540,640

Calculator

Solution

The third proportional to 249,288 and 540,640 is: 1,172,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,288 : 540,640 = 540,640 : x
  2. Step 2: Convert to fraction form
    249,288/540,640 = 540,640/x
  3. Step 3: Cross multiply
    249,288x = 540,640 × 540,640
  4. Step 4: Simplify right side
    249,288x = 292,291,609,600
  5. Step 5: Solve for x
    x = 292,291,609,600/249,288
  6. Step 6: Final answer
    x = 1,172,505.73

Related Problems

Find third proportional to 124,644 and 270,320
Half scale
Find third proportional to 498,576 and 1,081,280
Double scale
Find third proportional to 249,290 and 540,644
Similar ratio
Find third proportional to 373,932 and 810,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.