Home / 153,612-319,492

Finding the Third Proportional to 153,612 and 319,492

Calculator

Solution

The third proportional to 153,612 and 319,492 is: 664,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,612 : 319,492 = 319,492 : x
  2. Step 2: Convert to fraction form
    153,612/319,492 = 319,492/x
  3. Step 3: Cross multiply
    153,612x = 319,492 × 319,492
  4. Step 4: Simplify right side
    153,612x = 102,075,138,064
  5. Step 5: Solve for x
    x = 102,075,138,064/153,612
  6. Step 6: Final answer
    x = 664,499.77

Related Problems

Find third proportional to 76,806 and 159,746
Half scale
Find third proportional to 307,224 and 638,984
Double scale
Find third proportional to 153,614 and 319,496
Similar ratio
Find third proportional to 230,418 and 479,238
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.