Home / 452,178-699,840

Finding the Third Proportional to 452,178 and 699,840

Calculator

Solution

The third proportional to 452,178 and 699,840 is: 1,083,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,178 : 699,840 = 699,840 : x
  2. Step 2: Convert to fraction form
    452,178/699,840 = 699,840/x
  3. Step 3: Cross multiply
    452,178x = 699,840 × 699,840
  4. Step 4: Simplify right side
    452,178x = 489,776,025,600
  5. Step 5: Solve for x
    x = 489,776,025,600/452,178
  6. Step 6: Final answer
    x = 1,083,148.73

Related Problems

Find third proportional to 226,089 and 349,920
Half scale
Find third proportional to 904,356 and 1,399,680
Double scale
Find third proportional to 452,180 and 699,843
Similar ratio
Find third proportional to 678,267 and 1,049,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.