Home / 205,626-308,430

Finding the Third Proportional to 205,626 and 308,430

Calculator

Solution

The third proportional to 205,626 and 308,430 is: 462,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,626 : 308,430 = 308,430 : x
  2. Step 2: Convert to fraction form
    205,626/308,430 = 308,430/x
  3. Step 3: Cross multiply
    205,626x = 308,430 × 308,430
  4. Step 4: Simplify right side
    205,626x = 95,129,064,900
  5. Step 5: Solve for x
    x = 95,129,064,900/205,626
  6. Step 6: Final answer
    x = 462,631.50

Related Problems

Find third proportional to 102,813 and 154,215
Half scale
Find third proportional to 411,252 and 616,860
Double scale
Find third proportional to 205,628 and 308,433
Similar ratio
Find third proportional to 308,439 and 462,645
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.