Home / 99,576-216,540

Finding the Third Proportional to 99,576 and 216,540

Calculator

Solution

The third proportional to 99,576 and 216,540 is: 470,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,576 : 216,540 = 216,540 : x
  2. Step 2: Convert to fraction form
    99,576/216,540 = 216,540/x
  3. Step 3: Cross multiply
    99,576x = 216,540 × 216,540
  4. Step 4: Simplify right side
    99,576x = 46,889,571,600
  5. Step 5: Solve for x
    x = 46,889,571,600/99,576
  6. Step 6: Final answer
    x = 470,892.30

Related Problems

Find third proportional to 49,788 and 108,270
Half scale
Find third proportional to 199,152 and 433,080
Double scale
Find third proportional to 99,578 and 216,544
Similar ratio
Find third proportional to 149,364 and 324,810
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.