Home / 49,357-79,487

Finding the Third Proportional to 49,357 and 79,487

Calculator

Solution

The third proportional to 49,357 and 79,487 is: 128,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,357 : 79,487 = 79,487 : x
  2. Step 2: Convert to fraction form
    49,357/79,487 = 79,487/x
  3. Step 3: Cross multiply
    49,357x = 79,487 × 79,487
  4. Step 4: Simplify right side
    49,357x = 6,318,183,169
  5. Step 5: Solve for x
    x = 6,318,183,169/49,357
  6. Step 6: Final answer
    x = 128,009.87

Related Problems

Find third proportional to 24,678.50 and 39,743.50
Half scale
Find third proportional to 98,714 and 158,974
Double scale
Find third proportional to 49,359 and 79,490
Similar ratio
Find third proportional to 74,035.50 and 119,230.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.