Home / 453,660-978,190

Finding the Third Proportional to 453,660 and 978,190

Calculator

Solution

The third proportional to 453,660 and 978,190 is: 2,109,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,660 : 978,190 = 978,190 : x
  2. Step 2: Convert to fraction form
    453,660/978,190 = 978,190/x
  3. Step 3: Cross multiply
    453,660x = 978,190 × 978,190
  4. Step 4: Simplify right side
    453,660x = 956,855,676,100
  5. Step 5: Solve for x
    x = 956,855,676,100/453,660
  6. Step 6: Final answer
    x = 2,109,191.19

Related Problems

Find third proportional to 226,830 and 489,095
Half scale
Find third proportional to 907,320 and 1,956,380
Double scale
Find third proportional to 453,662 and 978,194
Similar ratio
Find third proportional to 680,490 and 1,467,285
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.