Home / 142,850-211,359

Finding the Third Proportional to 142,850 and 211,359

Calculator

Solution

The third proportional to 142,850 and 211,359 is: 312,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850 : 211,359 = 211,359 : x
  2. Step 2: Convert to fraction form
    142,850/211,359 = 211,359/x
  3. Step 3: Cross multiply
    142,850x = 211,359 × 211,359
  4. Step 4: Simplify right side
    142,850x = 44,672,626,881
  5. Step 5: Solve for x
    x = 44,672,626,881/142,850
  6. Step 6: Final answer
    x = 312,724.02

Related Problems

Find third proportional to 71,425 and 105,679.50
Half scale
Find third proportional to 285,700 and 422,718
Double scale
Find third proportional to 142,852 and 211,362
Similar ratio
Find third proportional to 214,275 and 317,038.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.