Home / 72,768-159,386

Finding the Third Proportional to 72,768 and 159,386

Calculator

Solution

The third proportional to 72,768 and 159,386 is: 349,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,768 : 159,386 = 159,386 : x
  2. Step 2: Convert to fraction form
    72,768/159,386 = 159,386/x
  3. Step 3: Cross multiply
    72,768x = 159,386 × 159,386
  4. Step 4: Simplify right side
    72,768x = 25,403,896,996
  5. Step 5: Solve for x
    x = 25,403,896,996/72,768
  6. Step 6: Final answer
    x = 349,108.08

Related Problems

Find third proportional to 36,384 and 79,693
Half scale
Find third proportional to 145,536 and 318,772
Double scale
Find third proportional to 72,770 and 159,390
Similar ratio
Find third proportional to 109,152 and 239,079
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.