Home / 475,136-989,449

Finding the Third Proportional to 475,136 and 989,449

Calculator

Solution

The third proportional to 475,136 and 989,449 is: 2,060,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,136 : 989,449 = 989,449 : x
  2. Step 2: Convert to fraction form
    475,136/989,449 = 989,449/x
  3. Step 3: Cross multiply
    475,136x = 989,449 × 989,449
  4. Step 4: Simplify right side
    475,136x = 979,009,323,601
  5. Step 5: Solve for x
    x = 979,009,323,601/475,136
  6. Step 6: Final answer
    x = 2,060,482.31

Related Problems

Find third proportional to 237,568 and 494,724.50
Half scale
Find third proportional to 950,272 and 1,978,898
Double scale
Find third proportional to 475,138 and 989,453
Similar ratio
Find third proportional to 712,704 and 1,484,173.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.