Home / 318,003-445,684.50

Finding the Third Proportional to 318,003 and 445,684.50

Calculator

Solution

The third proportional to 318,003 and 445,684.50 is: 624,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,003 : 445,684.50 = 445,684.50 : x
  2. Step 2: Convert to fraction form
    318,003/445,684.50 = 445,684.50/x
  3. Step 3: Cross multiply
    318,003x = 445,684.50 × 445,684.50
  4. Step 4: Simplify right side
    318,003x = 198,634,673,540.25
  5. Step 5: Solve for x
    x = 198,634,673,540.25/318,003
  6. Step 6: Final answer
    x = 624,631.45

Related Problems

Find third proportional to 159,001.50 and 222,842.25
Half scale
Find third proportional to 636,006 and 891,369
Double scale
Find third proportional to 318,005 and 445,687
Similar ratio
Find third proportional to 477,004.50 and 668,526.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.