Home / 99,866-217,363

Finding the Third Proportional to 99,866 and 217,363

Calculator

Solution

The third proportional to 99,866 and 217,363 is: 473,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,866 : 217,363 = 217,363 : x
  2. Step 2: Convert to fraction form
    99,866/217,363 = 217,363/x
  3. Step 3: Cross multiply
    99,866x = 217,363 × 217,363
  4. Step 4: Simplify right side
    99,866x = 47,246,673,769
  5. Step 5: Solve for x
    x = 47,246,673,769/99,866
  6. Step 6: Final answer
    x = 473,100.69

Related Problems

Find third proportional to 49,933 and 108,681.50
Half scale
Find third proportional to 199,732 and 434,726
Double scale
Find third proportional to 99,868 and 217,367
Similar ratio
Find third proportional to 149,799 and 326,044.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.