Home / 258,362-557,476

Finding the Third Proportional to 258,362 and 557,476

Calculator

Solution

The third proportional to 258,362 and 557,476 is: 1,202,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,362 : 557,476 = 557,476 : x
  2. Step 2: Convert to fraction form
    258,362/557,476 = 557,476/x
  3. Step 3: Cross multiply
    258,362x = 557,476 × 557,476
  4. Step 4: Simplify right side
    258,362x = 310,779,490,576
  5. Step 5: Solve for x
    x = 310,779,490,576/258,362
  6. Step 6: Final answer
    x = 1,202,883.90

Related Problems

Find third proportional to 129,181 and 278,738
Half scale
Find third proportional to 516,724 and 1,114,952
Double scale
Find third proportional to 258,364 and 557,480
Similar ratio
Find third proportional to 387,543 and 836,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.