Home / 154,484-338,494

Finding the Third Proportional to 154,484 and 338,494

Calculator

Solution

The third proportional to 154,484 and 338,494 is: 741,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484 : 338,494 = 338,494 : x
  2. Step 2: Convert to fraction form
    154,484/338,494 = 338,494/x
  3. Step 3: Cross multiply
    154,484x = 338,494 × 338,494
  4. Step 4: Simplify right side
    154,484x = 114,578,188,036
  5. Step 5: Solve for x
    x = 114,578,188,036/154,484
  6. Step 6: Final answer
    x = 741,683.20

Related Problems

Find third proportional to 77,242 and 169,247
Half scale
Find third proportional to 308,968 and 676,988
Double scale
Find third proportional to 154,486 and 338,498
Similar ratio
Find third proportional to 231,726 and 507,741
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.