Home / 151,312.50-219,840

Finding the Third Proportional to 151,312.50 and 219,840

Calculator

Solution

The third proportional to 151,312.50 and 219,840 is: 319,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,312.50 : 219,840 = 219,840 : x
  2. Step 2: Convert to fraction form
    151,312.50/219,840 = 219,840/x
  3. Step 3: Cross multiply
    151,312.50x = 219,840 × 219,840
  4. Step 4: Simplify right side
    151,312.50x = 48,329,625,600
  5. Step 5: Solve for x
    x = 48,329,625,600/151,312.50
  6. Step 6: Final answer
    x = 319,402.73

Related Problems

Find third proportional to 75,656.25 and 109,920
Half scale
Find third proportional to 302,625 and 439,680
Double scale
Find third proportional to 151,315 and 219,843
Similar ratio
Find third proportional to 226,968.75 and 329,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.