Home / 286,384-619,968

Finding the Third Proportional to 286,384 and 619,968

Calculator

Solution

The third proportional to 286,384 and 619,968 is: 1,342,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,384 : 619,968 = 619,968 : x
  2. Step 2: Convert to fraction form
    286,384/619,968 = 619,968/x
  3. Step 3: Cross multiply
    286,384x = 619,968 × 619,968
  4. Step 4: Simplify right side
    286,384x = 384,360,321,024
  5. Step 5: Solve for x
    x = 384,360,321,024/286,384
  6. Step 6: Final answer
    x = 1,342,115.21

Related Problems

Find third proportional to 143,192 and 309,984
Half scale
Find third proportional to 572,768 and 1,239,936
Double scale
Find third proportional to 286,386 and 619,972
Similar ratio
Find third proportional to 429,576 and 929,952
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.