Home / 283,296-442,128

Finding the Third Proportional to 283,296 and 442,128

Calculator

Solution

The third proportional to 283,296 and 442,128 is: 690,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,296 : 442,128 = 442,128 : x
  2. Step 2: Convert to fraction form
    283,296/442,128 = 442,128/x
  3. Step 3: Cross multiply
    283,296x = 442,128 × 442,128
  4. Step 4: Simplify right side
    283,296x = 195,477,168,384
  5. Step 5: Solve for x
    x = 195,477,168,384/283,296
  6. Step 6: Final answer
    x = 690,010.34

Related Problems

Find third proportional to 141,648 and 221,064
Half scale
Find third proportional to 566,592 and 884,256
Double scale
Find third proportional to 283,298 and 442,131
Similar ratio
Find third proportional to 424,944 and 663,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.