Home / 154,806-316,170

Finding the Third Proportional to 154,806 and 316,170

Calculator

Solution

The third proportional to 154,806 and 316,170 is: 645,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,806 : 316,170 = 316,170 : x
  2. Step 2: Convert to fraction form
    154,806/316,170 = 316,170/x
  3. Step 3: Cross multiply
    154,806x = 316,170 × 316,170
  4. Step 4: Simplify right side
    154,806x = 99,963,468,900
  5. Step 5: Solve for x
    x = 99,963,468,900/154,806
  6. Step 6: Final answer
    x = 645,733.81

Related Problems

Find third proportional to 77,403 and 158,085
Half scale
Find third proportional to 309,612 and 632,340
Double scale
Find third proportional to 154,808 and 316,174
Similar ratio
Find third proportional to 232,209 and 474,255
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.