Home / 287,487-604,763

Finding the Third Proportional to 287,487 and 604,763

Calculator

Solution

The third proportional to 287,487 and 604,763 is: 1,272,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,487 : 604,763 = 604,763 : x
  2. Step 2: Convert to fraction form
    287,487/604,763 = 604,763/x
  3. Step 3: Cross multiply
    287,487x = 604,763 × 604,763
  4. Step 4: Simplify right side
    287,487x = 365,738,286,169
  5. Step 5: Solve for x
    x = 365,738,286,169/287,487
  6. Step 6: Final answer
    x = 1,272,190.69

Related Problems

Find third proportional to 143,743.50 and 302,381.50
Half scale
Find third proportional to 574,974 and 1,209,526
Double scale
Find third proportional to 287,489 and 604,767
Similar ratio
Find third proportional to 431,230.50 and 907,144.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.