Home / 239,474-348,678

Finding the Third Proportional to 239,474 and 348,678

Calculator

Solution

The third proportional to 239,474 and 348,678 is: 507,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,474 : 348,678 = 348,678 : x
  2. Step 2: Convert to fraction form
    239,474/348,678 = 348,678/x
  3. Step 3: Cross multiply
    239,474x = 348,678 × 348,678
  4. Step 4: Simplify right side
    239,474x = 121,576,347,684
  5. Step 5: Solve for x
    x = 121,576,347,684/239,474
  6. Step 6: Final answer
    x = 507,680.78

Related Problems

Find third proportional to 119,737 and 174,339
Half scale
Find third proportional to 478,948 and 697,356
Double scale
Find third proportional to 239,476 and 348,681
Similar ratio
Find third proportional to 359,211 and 523,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.