Home / 385,170-563,490

Finding the Third Proportional to 385,170 and 563,490

Calculator

Solution

The third proportional to 385,170 and 563,490 is: 824,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,170 : 563,490 = 563,490 : x
  2. Step 2: Convert to fraction form
    385,170/563,490 = 563,490/x
  3. Step 3: Cross multiply
    385,170x = 563,490 × 563,490
  4. Step 4: Simplify right side
    385,170x = 317,520,980,100
  5. Step 5: Solve for x
    x = 317,520,980,100/385,170
  6. Step 6: Final answer
    x = 824,365.81

Related Problems

Find third proportional to 192,585 and 281,745
Half scale
Find third proportional to 770,340 and 1,126,980
Double scale
Find third proportional to 385,172 and 563,493
Similar ratio
Find third proportional to 577,755 and 845,235
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.