Home / 78,348-169,164

Finding the Third Proportional to 78,348 and 169,164

Calculator

Solution

The third proportional to 78,348 and 169,164 is: 365,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,348 : 169,164 = 169,164 : x
  2. Step 2: Convert to fraction form
    78,348/169,164 = 169,164/x
  3. Step 3: Cross multiply
    78,348x = 169,164 × 169,164
  4. Step 4: Simplify right side
    78,348x = 28,616,458,896
  5. Step 5: Solve for x
    x = 28,616,458,896/78,348
  6. Step 6: Final answer
    x = 365,248.11

Related Problems

Find third proportional to 39,174 and 84,582
Half scale
Find third proportional to 156,696 and 338,328
Double scale
Find third proportional to 78,350 and 169,168
Similar ratio
Find third proportional to 117,522 and 253,746
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.