Home / 239,856-357,840

Finding the Third Proportional to 239,856 and 357,840

Calculator

Solution

The third proportional to 239,856 and 357,840 is: 533,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,856 : 357,840 = 357,840 : x
  2. Step 2: Convert to fraction form
    239,856/357,840 = 357,840/x
  3. Step 3: Cross multiply
    239,856x = 357,840 × 357,840
  4. Step 4: Simplify right side
    239,856x = 128,049,465,600
  5. Step 5: Solve for x
    x = 128,049,465,600/239,856
  6. Step 6: Final answer
    x = 533,859.76

Related Problems

Find third proportional to 119,928 and 178,920
Half scale
Find third proportional to 479,712 and 715,680
Double scale
Find third proportional to 239,858 and 357,843
Similar ratio
Find third proportional to 359,784 and 536,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.