Home / 172,571-353,506

Finding the Third Proportional to 172,571 and 353,506

Calculator

Solution

The third proportional to 172,571 and 353,506 is: 724,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,571 : 353,506 = 353,506 : x
  2. Step 2: Convert to fraction form
    172,571/353,506 = 353,506/x
  3. Step 3: Cross multiply
    172,571x = 353,506 × 353,506
  4. Step 4: Simplify right side
    172,571x = 124,966,492,036
  5. Step 5: Solve for x
    x = 124,966,492,036/172,571
  6. Step 6: Final answer
    x = 724,145.38

Related Problems

Find third proportional to 86,285.50 and 176,753
Half scale
Find third proportional to 345,142 and 707,012
Double scale
Find third proportional to 172,573 and 353,510
Similar ratio
Find third proportional to 258,856.50 and 530,259
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.