Home / 212,770-323,763

Finding the Third Proportional to 212,770 and 323,763

Calculator

Solution

The third proportional to 212,770 and 323,763 is: 492,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,770 : 323,763 = 323,763 : x
  2. Step 2: Convert to fraction form
    212,770/323,763 = 323,763/x
  3. Step 3: Cross multiply
    212,770x = 323,763 × 323,763
  4. Step 4: Simplify right side
    212,770x = 104,822,480,169
  5. Step 5: Solve for x
    x = 104,822,480,169/212,770
  6. Step 6: Final answer
    x = 492,656.30

Related Problems

Find third proportional to 106,385 and 161,881.50
Half scale
Find third proportional to 425,540 and 647,526
Double scale
Find third proportional to 212,772 and 323,766
Similar ratio
Find third proportional to 319,155 and 485,644.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.