Home / 207,703-489,012

Finding the Third Proportional to 207,703 and 489,012

Calculator

Solution

The third proportional to 207,703 and 489,012 is: 1,151,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,703 : 489,012 = 489,012 : x
  2. Step 2: Convert to fraction form
    207,703/489,012 = 489,012/x
  3. Step 3: Cross multiply
    207,703x = 489,012 × 489,012
  4. Step 4: Simplify right side
    207,703x = 239,132,736,144
  5. Step 5: Solve for x
    x = 239,132,736,144/207,703
  6. Step 6: Final answer
    x = 1,151,320.57

Related Problems

Find third proportional to 103,851.50 and 244,506
Half scale
Find third proportional to 415,406 and 978,024
Double scale
Find third proportional to 207,705 and 489,017
Similar ratio
Find third proportional to 311,554.50 and 733,518
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.