Home / 45,312-68,736

Finding the Third Proportional to 45,312 and 68,736

Calculator

Solution

The third proportional to 45,312 and 68,736 is: 104,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312 : 68,736 = 68,736 : x
  2. Step 2: Convert to fraction form
    45,312/68,736 = 68,736/x
  3. Step 3: Cross multiply
    45,312x = 68,736 × 68,736
  4. Step 4: Simplify right side
    45,312x = 4,724,637,696
  5. Step 5: Solve for x
    x = 4,724,637,696/45,312
  6. Step 6: Final answer
    x = 104,269.02

Related Problems

Find third proportional to 22,656 and 34,368
Half scale
Find third proportional to 90,624 and 137,472
Double scale
Find third proportional to 45,314 and 68,739
Similar ratio
Find third proportional to 67,968 and 103,104
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.