Home / 188,507-406,543

Finding the Third Proportional to 188,507 and 406,543

Calculator

Solution

The third proportional to 188,507 and 406,543 is: 876,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507 : 406,543 = 406,543 : x
  2. Step 2: Convert to fraction form
    188,507/406,543 = 406,543/x
  3. Step 3: Cross multiply
    188,507x = 406,543 × 406,543
  4. Step 4: Simplify right side
    188,507x = 165,277,210,849
  5. Step 5: Solve for x
    x = 165,277,210,849/188,507
  6. Step 6: Final answer
    x = 876,769.62

Related Problems

Find third proportional to 94,253.50 and 203,271.50
Half scale
Find third proportional to 377,014 and 813,086
Double scale
Find third proportional to 188,509 and 406,547
Similar ratio
Find third proportional to 282,760.50 and 609,814.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.