Home / 212,814-456,988

Finding the Third Proportional to 212,814 and 456,988

Calculator

Solution

The third proportional to 212,814 and 456,988 is: 981,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,814 : 456,988 = 456,988 : x
  2. Step 2: Convert to fraction form
    212,814/456,988 = 456,988/x
  3. Step 3: Cross multiply
    212,814x = 456,988 × 456,988
  4. Step 4: Simplify right side
    212,814x = 208,838,032,144
  5. Step 5: Solve for x
    x = 208,838,032,144/212,814
  6. Step 6: Final answer
    x = 981,317.17

Related Problems

Find third proportional to 106,407 and 228,494
Half scale
Find third proportional to 425,628 and 913,976
Double scale
Find third proportional to 212,816 and 456,992
Similar ratio
Find third proportional to 319,221 and 685,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.