Home / 99,312-216,464

Finding the Third Proportional to 99,312 and 216,464

Calculator

Solution

The third proportional to 99,312 and 216,464 is: 471,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312 : 216,464 = 216,464 : x
  2. Step 2: Convert to fraction form
    99,312/216,464 = 216,464/x
  3. Step 3: Cross multiply
    99,312x = 216,464 × 216,464
  4. Step 4: Simplify right side
    99,312x = 46,856,663,296
  5. Step 5: Solve for x
    x = 46,856,663,296/99,312
  6. Step 6: Final answer
    x = 471,812.70

Related Problems

Find third proportional to 49,656 and 108,232
Half scale
Find third proportional to 198,624 and 432,928
Double scale
Find third proportional to 99,314 and 216,468
Similar ratio
Find third proportional to 148,968 and 324,696
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.