Home / 317,460-432,318

Finding the Third Proportional to 317,460 and 432,318

Calculator

Solution

The third proportional to 317,460 and 432,318 is: 588,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,460 : 432,318 = 432,318 : x
  2. Step 2: Convert to fraction form
    317,460/432,318 = 432,318/x
  3. Step 3: Cross multiply
    317,460x = 432,318 × 432,318
  4. Step 4: Simplify right side
    317,460x = 186,898,853,124
  5. Step 5: Solve for x
    x = 186,898,853,124/317,460
  6. Step 6: Final answer
    x = 588,731.98

Related Problems

Find third proportional to 158,730 and 216,159
Half scale
Find third proportional to 634,920 and 864,636
Double scale
Find third proportional to 317,462 and 432,321
Similar ratio
Find third proportional to 476,190 and 648,477
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.