Home / 161,460-329,490

Finding the Third Proportional to 161,460 and 329,490

Calculator

Solution

The third proportional to 161,460 and 329,490 is: 672,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,460 : 329,490 = 329,490 : x
  2. Step 2: Convert to fraction form
    161,460/329,490 = 329,490/x
  3. Step 3: Cross multiply
    161,460x = 329,490 × 329,490
  4. Step 4: Simplify right side
    161,460x = 108,563,660,100
  5. Step 5: Solve for x
    x = 108,563,660,100/161,460
  6. Step 6: Final answer
    x = 672,387.34

Related Problems

Find third proportional to 80,730 and 164,745
Half scale
Find third proportional to 322,920 and 658,980
Double scale
Find third proportional to 161,462 and 329,494
Similar ratio
Find third proportional to 242,190 and 494,235
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.