Home / 140,056-210,788

Finding the Third Proportional to 140,056 and 210,788

Calculator

Solution

The third proportional to 140,056 and 210,788 is: 317,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,056 : 210,788 = 210,788 : x
  2. Step 2: Convert to fraction form
    140,056/210,788 = 210,788/x
  3. Step 3: Cross multiply
    140,056x = 210,788 × 210,788
  4. Step 4: Simplify right side
    140,056x = 44,431,580,944
  5. Step 5: Solve for x
    x = 44,431,580,944/140,056
  6. Step 6: Final answer
    x = 317,241.54

Related Problems

Find third proportional to 70,028 and 105,394
Half scale
Find third proportional to 280,112 and 421,576
Double scale
Find third proportional to 140,058 and 210,791
Similar ratio
Find third proportional to 210,084 and 316,182
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.