Home / 287,772-446,835

Finding the Third Proportional to 287,772 and 446,835

Calculator

Solution

The third proportional to 287,772 and 446,835 is: 693,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,772 : 446,835 = 446,835 : x
  2. Step 2: Convert to fraction form
    287,772/446,835 = 446,835/x
  3. Step 3: Cross multiply
    287,772x = 446,835 × 446,835
  4. Step 4: Simplify right side
    287,772x = 199,661,517,225
  5. Step 5: Solve for x
    x = 199,661,517,225/287,772
  6. Step 6: Final answer
    x = 693,818.43

Related Problems

Find third proportional to 143,886 and 223,417.50
Half scale
Find third proportional to 575,544 and 893,670
Double scale
Find third proportional to 287,774 and 446,838
Similar ratio
Find third proportional to 431,658 and 670,252.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.