Home / 61,312-113,872

Finding the Third Proportional to 61,312 and 113,872

Calculator

Solution

The third proportional to 61,312 and 113,872 is: 211,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312 : 113,872 = 113,872 : x
  2. Step 2: Convert to fraction form
    61,312/113,872 = 113,872/x
  3. Step 3: Cross multiply
    61,312x = 113,872 × 113,872
  4. Step 4: Simplify right side
    61,312x = 12,966,832,384
  5. Step 5: Solve for x
    x = 12,966,832,384/61,312
  6. Step 6: Final answer
    x = 211,489.31

Related Problems

Find third proportional to 30,656 and 56,936
Half scale
Find third proportional to 122,624 and 227,744
Double scale
Find third proportional to 61,314 and 113,876
Similar ratio
Find third proportional to 91,968 and 170,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.