Home / 415,373-645,092

Finding the Third Proportional to 415,373 and 645,092

Calculator

Solution

The third proportional to 415,373 and 645,092 is: 1,001,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,373 : 645,092 = 645,092 : x
  2. Step 2: Convert to fraction form
    415,373/645,092 = 645,092/x
  3. Step 3: Cross multiply
    415,373x = 645,092 × 645,092
  4. Step 4: Simplify right side
    415,373x = 416,143,688,464
  5. Step 5: Solve for x
    x = 416,143,688,464/415,373
  6. Step 6: Final answer
    x = 1,001,855.41

Related Problems

Find third proportional to 207,686.50 and 322,546
Half scale
Find third proportional to 830,746 and 1,290,184
Double scale
Find third proportional to 415,375 and 645,095
Similar ratio
Find third proportional to 623,059.50 and 967,638
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.