Home / 205,362-315,522

Finding the Third Proportional to 205,362 and 315,522

Calculator

Solution

The third proportional to 205,362 and 315,522 is: 484,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,362 : 315,522 = 315,522 : x
  2. Step 2: Convert to fraction form
    205,362/315,522 = 315,522/x
  3. Step 3: Cross multiply
    205,362x = 315,522 × 315,522
  4. Step 4: Simplify right side
    205,362x = 99,554,132,484
  5. Step 5: Solve for x
    x = 99,554,132,484/205,362
  6. Step 6: Final answer
    x = 484,773.87

Related Problems

Find third proportional to 102,681 and 157,761
Half scale
Find third proportional to 410,724 and 631,044
Double scale
Find third proportional to 205,364 and 315,525
Similar ratio
Find third proportional to 308,043 and 473,283
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.