Home / 169,272-257,232

Finding the Third Proportional to 169,272 and 257,232

Calculator

Solution

The third proportional to 169,272 and 257,232 is: 390,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,272 : 257,232 = 257,232 : x
  2. Step 2: Convert to fraction form
    169,272/257,232 = 257,232/x
  3. Step 3: Cross multiply
    169,272x = 257,232 × 257,232
  4. Step 4: Simplify right side
    169,272x = 66,168,301,824
  5. Step 5: Solve for x
    x = 66,168,301,824/169,272
  6. Step 6: Final answer
    x = 390,899.27

Related Problems

Find third proportional to 84,636 and 128,616
Half scale
Find third proportional to 338,544 and 514,464
Double scale
Find third proportional to 169,274 and 257,235
Similar ratio
Find third proportional to 253,908 and 385,848
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.