Home / 175,673-390,649

Finding the Third Proportional to 175,673 and 390,649

Calculator

Solution

The third proportional to 175,673 and 390,649 is: 868,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,673 : 390,649 = 390,649 : x
  2. Step 2: Convert to fraction form
    175,673/390,649 = 390,649/x
  3. Step 3: Cross multiply
    175,673x = 390,649 × 390,649
  4. Step 4: Simplify right side
    175,673x = 152,606,641,201
  5. Step 5: Solve for x
    x = 152,606,641,201/175,673
  6. Step 6: Final answer
    x = 868,697.19

Related Problems

Find third proportional to 87,836.50 and 195,324.50
Half scale
Find third proportional to 351,346 and 781,298
Double scale
Find third proportional to 175,675 and 390,653
Similar ratio
Find third proportional to 263,509.50 and 585,973.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.