Home / 72,556-102,702

Finding the Third Proportional to 72,556 and 102,702

Calculator

Solution

The third proportional to 72,556 and 102,702 is: 145,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,556 : 102,702 = 102,702 : x
  2. Step 2: Convert to fraction form
    72,556/102,702 = 102,702/x
  3. Step 3: Cross multiply
    72,556x = 102,702 × 102,702
  4. Step 4: Simplify right side
    72,556x = 10,547,700,804
  5. Step 5: Solve for x
    x = 10,547,700,804/72,556
  6. Step 6: Final answer
    x = 145,373.24

Related Problems

Find third proportional to 36,278 and 51,351
Half scale
Find third proportional to 145,112 and 205,404
Double scale
Find third proportional to 72,558 and 102,705
Similar ratio
Find third proportional to 108,834 and 154,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.