Home / 238,306-349,440

Finding the Third Proportional to 238,306 and 349,440

Calculator

Solution

The third proportional to 238,306 and 349,440 is: 512,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,306 : 349,440 = 349,440 : x
  2. Step 2: Convert to fraction form
    238,306/349,440 = 349,440/x
  3. Step 3: Cross multiply
    238,306x = 349,440 × 349,440
  4. Step 4: Simplify right side
    238,306x = 122,108,313,600
  5. Step 5: Solve for x
    x = 122,108,313,600/238,306
  6. Step 6: Final answer
    x = 512,401.34

Related Problems

Find third proportional to 119,153 and 174,720
Half scale
Find third proportional to 476,612 and 698,880
Double scale
Find third proportional to 238,308 and 349,443
Similar ratio
Find third proportional to 357,459 and 524,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.