Home / 217,308-345,762

Finding the Third Proportional to 217,308 and 345,762

Calculator

Solution

The third proportional to 217,308 and 345,762 is: 550,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308 : 345,762 = 345,762 : x
  2. Step 2: Convert to fraction form
    217,308/345,762 = 345,762/x
  3. Step 3: Cross multiply
    217,308x = 345,762 × 345,762
  4. Step 4: Simplify right side
    217,308x = 119,551,360,644
  5. Step 5: Solve for x
    x = 119,551,360,644/217,308
  6. Step 6: Final answer
    x = 550,147.08

Related Problems

Find third proportional to 108,654 and 172,881
Half scale
Find third proportional to 434,616 and 691,524
Double scale
Find third proportional to 217,310 and 345,765
Similar ratio
Find third proportional to 325,962 and 518,643
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.