Home / 210,972-316,500

Finding the Third Proportional to 210,972 and 316,500

Calculator

Solution

The third proportional to 210,972 and 316,500 is: 474,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,972 : 316,500 = 316,500 : x
  2. Step 2: Convert to fraction form
    210,972/316,500 = 316,500/x
  3. Step 3: Cross multiply
    210,972x = 316,500 × 316,500
  4. Step 4: Simplify right side
    210,972x = 100,172,250,000
  5. Step 5: Solve for x
    x = 100,172,250,000/210,972
  6. Step 6: Final answer
    x = 474,813.01

Related Problems

Find third proportional to 105,486 and 158,250
Half scale
Find third proportional to 421,944 and 633,000
Double scale
Find third proportional to 210,974 and 316,503
Similar ratio
Find third proportional to 316,458 and 474,750
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.