Home / 317,562-491,495

Finding the Third Proportional to 317,562 and 491,495

Calculator

Solution

The third proportional to 317,562 and 491,495 is: 760,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,562 : 491,495 = 491,495 : x
  2. Step 2: Convert to fraction form
    317,562/491,495 = 491,495/x
  3. Step 3: Cross multiply
    317,562x = 491,495 × 491,495
  4. Step 4: Simplify right side
    317,562x = 241,567,335,025
  5. Step 5: Solve for x
    x = 241,567,335,025/317,562
  6. Step 6: Final answer
    x = 760,693.46

Related Problems

Find third proportional to 158,781 and 245,747.50
Half scale
Find third proportional to 635,124 and 982,990
Double scale
Find third proportional to 317,564 and 491,498
Similar ratio
Find third proportional to 476,343 and 737,242.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.