Home / 623.50-1,000.50

Finding the Third Proportional to 623.50 and 1,000.50

Calculator

Solution

The third proportional to 623.50 and 1,000.50 is: 1,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.50 : 1,000.50 = 1,000.50 : x
  2. Step 2: Convert to fraction form
    623.50/1,000.50 = 1,000.50/x
  3. Step 3: Cross multiply
    623.50x = 1,000.50 × 1,000.50
  4. Step 4: Simplify right side
    623.50x = 1,001,000.25
  5. Step 5: Solve for x
    x = 1,001,000.25/623.50
  6. Step 6: Final answer
    x = 1,605.45

Related Problems

Find third proportional to 311.75 and 500.25
Half scale
Find third proportional to 1,247 and 2,001
Double scale
Find third proportional to 626 and 1,004
Similar ratio
Find third proportional to 935.25 and 1,500.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.