Home / 131,548-285,272

Finding the Third Proportional to 131,548 and 285,272

Calculator

Solution

The third proportional to 131,548 and 285,272 is: 618,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,548 : 285,272 = 285,272 : x
  2. Step 2: Convert to fraction form
    131,548/285,272 = 285,272/x
  3. Step 3: Cross multiply
    131,548x = 285,272 × 285,272
  4. Step 4: Simplify right side
    131,548x = 81,380,113,984
  5. Step 5: Solve for x
    x = 81,380,113,984/131,548
  6. Step 6: Final answer
    x = 618,634.37

Related Problems

Find third proportional to 65,774 and 142,636
Half scale
Find third proportional to 263,096 and 570,544
Double scale
Find third proportional to 131,550 and 285,276
Similar ratio
Find third proportional to 197,322 and 427,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.