Home / 287,358-611,076

Finding the Third Proportional to 287,358 and 611,076

Calculator

Solution

The third proportional to 287,358 and 611,076 is: 1,299,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,358 : 611,076 = 611,076 : x
  2. Step 2: Convert to fraction form
    287,358/611,076 = 611,076/x
  3. Step 3: Cross multiply
    287,358x = 611,076 × 611,076
  4. Step 4: Simplify right side
    287,358x = 373,413,877,776
  5. Step 5: Solve for x
    x = 373,413,877,776/287,358
  6. Step 6: Final answer
    x = 1,299,472.71

Related Problems

Find third proportional to 143,679 and 305,538
Half scale
Find third proportional to 574,716 and 1,222,152
Double scale
Find third proportional to 287,360 and 611,080
Similar ratio
Find third proportional to 431,037 and 916,614
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.