Home / 135,056-312,672

Finding the Third Proportional to 135,056 and 312,672

Calculator

Solution

The third proportional to 135,056 and 312,672 is: 723,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,056 : 312,672 = 312,672 : x
  2. Step 2: Convert to fraction form
    135,056/312,672 = 312,672/x
  3. Step 3: Cross multiply
    135,056x = 312,672 × 312,672
  4. Step 4: Simplify right side
    135,056x = 97,763,779,584
  5. Step 5: Solve for x
    x = 97,763,779,584/135,056
  6. Step 6: Final answer
    x = 723,875.87

Related Problems

Find third proportional to 67,528 and 156,336
Half scale
Find third proportional to 270,112 and 625,344
Double scale
Find third proportional to 135,058 and 312,677
Similar ratio
Find third proportional to 202,584 and 469,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.