Home / 157,160-339,240

Finding the Third Proportional to 157,160 and 339,240

Calculator

Solution

The third proportional to 157,160 and 339,240 is: 732,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,160 : 339,240 = 339,240 : x
  2. Step 2: Convert to fraction form
    157,160/339,240 = 339,240/x
  3. Step 3: Cross multiply
    157,160x = 339,240 × 339,240
  4. Step 4: Simplify right side
    157,160x = 115,083,777,600
  5. Step 5: Solve for x
    x = 115,083,777,600/157,160
  6. Step 6: Final answer
    x = 732,271.43

Related Problems

Find third proportional to 78,580 and 169,620
Half scale
Find third proportional to 314,320 and 678,480
Double scale
Find third proportional to 157,162 and 339,244
Similar ratio
Find third proportional to 235,740 and 508,860
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.