Home / 131,036-272,438

Finding the Third Proportional to 131,036 and 272,438

Calculator

Solution

The third proportional to 131,036 and 272,438 is: 566,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,036 : 272,438 = 272,438 : x
  2. Step 2: Convert to fraction form
    131,036/272,438 = 272,438/x
  3. Step 3: Cross multiply
    131,036x = 272,438 × 272,438
  4. Step 4: Simplify right side
    131,036x = 74,222,463,844
  5. Step 5: Solve for x
    x = 74,222,463,844/131,036
  6. Step 6: Final answer
    x = 566,428.03

Related Problems

Find third proportional to 65,518 and 136,219
Half scale
Find third proportional to 262,072 and 544,876
Double scale
Find third proportional to 131,038 and 272,442
Similar ratio
Find third proportional to 196,554 and 408,657
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.