Home / 121,160-248,362

Finding the Third Proportional to 121,160 and 248,362

Calculator

Solution

The third proportional to 121,160 and 248,362 is: 509,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,160 : 248,362 = 248,362 : x
  2. Step 2: Convert to fraction form
    121,160/248,362 = 248,362/x
  3. Step 3: Cross multiply
    121,160x = 248,362 × 248,362
  4. Step 4: Simplify right side
    121,160x = 61,683,683,044
  5. Step 5: Solve for x
    x = 61,683,683,044/121,160
  6. Step 6: Final answer
    x = 509,109.30

Related Problems

Find third proportional to 60,580 and 124,181
Half scale
Find third proportional to 242,320 and 496,724
Double scale
Find third proportional to 121,162 and 248,366
Similar ratio
Find third proportional to 181,740 and 372,543
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.