Home / 225,132-316,638

Finding the Third Proportional to 225,132 and 316,638

Calculator

Solution

The third proportional to 225,132 and 316,638 is: 445,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,132 : 316,638 = 316,638 : x
  2. Step 2: Convert to fraction form
    225,132/316,638 = 316,638/x
  3. Step 3: Cross multiply
    225,132x = 316,638 × 316,638
  4. Step 4: Simplify right side
    225,132x = 100,259,623,044
  5. Step 5: Solve for x
    x = 100,259,623,044/225,132
  6. Step 6: Final answer
    x = 445,337.06

Related Problems

Find third proportional to 112,566 and 158,319
Half scale
Find third proportional to 450,264 and 633,276
Double scale
Find third proportional to 225,134 and 316,641
Similar ratio
Find third proportional to 337,698 and 474,957
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.