Home / 179,430-388,587

Finding the Third Proportional to 179,430 and 388,587

Calculator

Solution

The third proportional to 179,430 and 388,587 is: 841,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430 : 388,587 = 388,587 : x
  2. Step 2: Convert to fraction form
    179,430/388,587 = 388,587/x
  3. Step 3: Cross multiply
    179,430x = 388,587 × 388,587
  4. Step 4: Simplify right side
    179,430x = 150,999,856,569
  5. Step 5: Solve for x
    x = 150,999,856,569/179,430
  6. Step 6: Final answer
    x = 841,553.01

Related Problems

Find third proportional to 89,715 and 194,293.50
Half scale
Find third proportional to 358,860 and 777,174
Double scale
Find third proportional to 179,432 and 388,591
Similar ratio
Find third proportional to 269,145 and 582,880.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.