Home / 172,288-371,808

Finding the Third Proportional to 172,288 and 371,808

Calculator

Solution

The third proportional to 172,288 and 371,808 is: 802,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,288 : 371,808 = 371,808 : x
  2. Step 2: Convert to fraction form
    172,288/371,808 = 371,808/x
  3. Step 3: Cross multiply
    172,288x = 371,808 × 371,808
  4. Step 4: Simplify right side
    172,288x = 138,241,188,864
  5. Step 5: Solve for x
    x = 138,241,188,864/172,288
  6. Step 6: Final answer
    x = 802,384.32

Related Problems

Find third proportional to 86,144 and 185,904
Half scale
Find third proportional to 344,576 and 743,616
Double scale
Find third proportional to 172,290 and 371,812
Similar ratio
Find third proportional to 258,432 and 557,712
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.