Home / 208,011-405,654

Finding the Third Proportional to 208,011 and 405,654

Calculator

Solution

The third proportional to 208,011 and 405,654 is: 791,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,011 : 405,654 = 405,654 : x
  2. Step 2: Convert to fraction form
    208,011/405,654 = 405,654/x
  3. Step 3: Cross multiply
    208,011x = 405,654 × 405,654
  4. Step 4: Simplify right side
    208,011x = 164,555,167,716
  5. Step 5: Solve for x
    x = 164,555,167,716/208,011
  6. Step 6: Final answer
    x = 791,088.78

Related Problems

Find third proportional to 104,005.50 and 202,827
Half scale
Find third proportional to 416,022 and 811,308
Double scale
Find third proportional to 208,013 and 405,658
Similar ratio
Find third proportional to 312,016.50 and 608,481
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.