Home / 66,810-144,528

Finding the Third Proportional to 66,810 and 144,528

Calculator

Solution

The third proportional to 66,810 and 144,528 is: 312,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,810 : 144,528 = 144,528 : x
  2. Step 2: Convert to fraction form
    66,810/144,528 = 144,528/x
  3. Step 3: Cross multiply
    66,810x = 144,528 × 144,528
  4. Step 4: Simplify right side
    66,810x = 20,888,342,784
  5. Step 5: Solve for x
    x = 20,888,342,784/66,810
  6. Step 6: Final answer
    x = 312,652.94

Related Problems

Find third proportional to 33,405 and 72,264
Half scale
Find third proportional to 133,620 and 289,056
Double scale
Find third proportional to 66,812 and 144,532
Similar ratio
Find third proportional to 100,215 and 216,792
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.