Home / 99,072-211,584

Finding the Third Proportional to 99,072 and 211,584

Calculator

Solution

The third proportional to 99,072 and 211,584 is: 451,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072 : 211,584 = 211,584 : x
  2. Step 2: Convert to fraction form
    99,072/211,584 = 211,584/x
  3. Step 3: Cross multiply
    99,072x = 211,584 × 211,584
  4. Step 4: Simplify right side
    99,072x = 44,767,789,056
  5. Step 5: Solve for x
    x = 44,767,789,056/99,072
  6. Step 6: Final answer
    x = 451,871.26

Related Problems

Find third proportional to 49,536 and 105,792
Half scale
Find third proportional to 198,144 and 423,168
Double scale
Find third proportional to 99,074 and 211,588
Similar ratio
Find third proportional to 148,608 and 317,376
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.