Home / 207,484-320,436

Finding the Third Proportional to 207,484 and 320,436

Calculator

Solution

The third proportional to 207,484 and 320,436 is: 494,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,484 : 320,436 = 320,436 : x
  2. Step 2: Convert to fraction form
    207,484/320,436 = 320,436/x
  3. Step 3: Cross multiply
    207,484x = 320,436 × 320,436
  4. Step 4: Simplify right side
    207,484x = 102,679,230,096
  5. Step 5: Solve for x
    x = 102,679,230,096/207,484
  6. Step 6: Final answer
    x = 494,877.82

Related Problems

Find third proportional to 103,742 and 160,218
Half scale
Find third proportional to 414,968 and 640,872
Double scale
Find third proportional to 207,486 and 320,439
Similar ratio
Find third proportional to 311,226 and 480,654
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.