Home / 210,894-455,511

Finding the Third Proportional to 210,894 and 455,511

Calculator

Solution

The third proportional to 210,894 and 455,511 is: 983,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,894 : 455,511 = 455,511 : x
  2. Step 2: Convert to fraction form
    210,894/455,511 = 455,511/x
  3. Step 3: Cross multiply
    210,894x = 455,511 × 455,511
  4. Step 4: Simplify right side
    210,894x = 207,490,271,121
  5. Step 5: Solve for x
    x = 207,490,271,121/210,894
  6. Step 6: Final answer
    x = 983,860.48

Related Problems

Find third proportional to 105,447 and 227,755.50
Half scale
Find third proportional to 421,788 and 911,022
Double scale
Find third proportional to 210,896 and 455,515
Similar ratio
Find third proportional to 316,341 and 683,266.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.