Home / 316,218-462,492

Finding the Third Proportional to 316,218 and 462,492

Calculator

Solution

The third proportional to 316,218 and 462,492 is: 676,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,218 : 462,492 = 462,492 : x
  2. Step 2: Convert to fraction form
    316,218/462,492 = 462,492/x
  3. Step 3: Cross multiply
    316,218x = 462,492 × 462,492
  4. Step 4: Simplify right side
    316,218x = 213,898,850,064
  5. Step 5: Solve for x
    x = 213,898,850,064/316,218
  6. Step 6: Final answer
    x = 676,428.45

Related Problems

Find third proportional to 158,109 and 231,246
Half scale
Find third proportional to 632,436 and 924,984
Double scale
Find third proportional to 316,220 and 462,495
Similar ratio
Find third proportional to 474,327 and 693,738
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.