Home / 285,580-401,152

Finding the Third Proportional to 285,580 and 401,152

Calculator

Solution

The third proportional to 285,580 and 401,152 is: 563,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,580 : 401,152 = 401,152 : x
  2. Step 2: Convert to fraction form
    285,580/401,152 = 401,152/x
  3. Step 3: Cross multiply
    285,580x = 401,152 × 401,152
  4. Step 4: Simplify right side
    285,580x = 160,922,927,104
  5. Step 5: Solve for x
    x = 160,922,927,104/285,580
  6. Step 6: Final answer
    x = 563,495.09

Related Problems

Find third proportional to 142,790 and 200,576
Half scale
Find third proportional to 571,160 and 802,304
Double scale
Find third proportional to 285,582 and 401,155
Similar ratio
Find third proportional to 428,370 and 601,728
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.