Home / 217,476-316,746

Finding the Third Proportional to 217,476 and 316,746

Calculator

Solution

The third proportional to 217,476 and 316,746 is: 461,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,476 : 316,746 = 316,746 : x
  2. Step 2: Convert to fraction form
    217,476/316,746 = 316,746/x
  3. Step 3: Cross multiply
    217,476x = 316,746 × 316,746
  4. Step 4: Simplify right side
    217,476x = 100,328,028,516
  5. Step 5: Solve for x
    x = 100,328,028,516/217,476
  6. Step 6: Final answer
    x = 461,329.20

Related Problems

Find third proportional to 108,738 and 158,373
Half scale
Find third proportional to 434,952 and 633,492
Double scale
Find third proportional to 217,478 and 316,749
Similar ratio
Find third proportional to 326,214 and 475,119
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.