Home / 45,160-68,640

Finding the Third Proportional to 45,160 and 68,640

Calculator

Solution

The third proportional to 45,160 and 68,640 is: 104,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160 : 68,640 = 68,640 : x
  2. Step 2: Convert to fraction form
    45,160/68,640 = 68,640/x
  3. Step 3: Cross multiply
    45,160x = 68,640 × 68,640
  4. Step 4: Simplify right side
    45,160x = 4,711,449,600
  5. Step 5: Solve for x
    x = 4,711,449,600/45,160
  6. Step 6: Final answer
    x = 104,327.94

Related Problems

Find third proportional to 22,580 and 34,320
Half scale
Find third proportional to 90,320 and 137,280
Double scale
Find third proportional to 45,162 and 68,643
Similar ratio
Find third proportional to 67,740 and 102,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.