Home / 317,765-495,399

Finding the Third Proportional to 317,765 and 495,399

Calculator

Solution

The third proportional to 317,765 and 495,399 is: 772,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,765 : 495,399 = 495,399 : x
  2. Step 2: Convert to fraction form
    317,765/495,399 = 495,399/x
  3. Step 3: Cross multiply
    317,765x = 495,399 × 495,399
  4. Step 4: Simplify right side
    317,765x = 245,420,169,201
  5. Step 5: Solve for x
    x = 245,420,169,201/317,765
  6. Step 6: Final answer
    x = 772,332.29

Related Problems

Find third proportional to 158,882.50 and 247,699.50
Half scale
Find third proportional to 635,530 and 990,798
Double scale
Find third proportional to 317,767 and 495,402
Similar ratio
Find third proportional to 476,647.50 and 743,098.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.