Home / 287,781-632,666

Finding the Third Proportional to 287,781 and 632,666

Calculator

Solution

The third proportional to 287,781 and 632,666 is: 1,390,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,781 : 632,666 = 632,666 : x
  2. Step 2: Convert to fraction form
    287,781/632,666 = 632,666/x
  3. Step 3: Cross multiply
    287,781x = 632,666 × 632,666
  4. Step 4: Simplify right side
    287,781x = 400,266,267,556
  5. Step 5: Solve for x
    x = 400,266,267,556/287,781
  6. Step 6: Final answer
    x = 1,390,871.07

Related Problems

Find third proportional to 143,890.50 and 316,333
Half scale
Find third proportional to 575,562 and 1,265,332
Double scale
Find third proportional to 287,783 and 632,670
Similar ratio
Find third proportional to 431,671.50 and 948,999
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.