Home / 287,424-624,582

Finding the Third Proportional to 287,424 and 624,582

Calculator

Solution

The third proportional to 287,424 and 624,582 is: 1,357,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,424 : 624,582 = 624,582 : x
  2. Step 2: Convert to fraction form
    287,424/624,582 = 624,582/x
  3. Step 3: Cross multiply
    287,424x = 624,582 × 624,582
  4. Step 4: Simplify right side
    287,424x = 390,102,674,724
  5. Step 5: Solve for x
    x = 390,102,674,724/287,424
  6. Step 6: Final answer
    x = 1,357,237.65

Related Problems

Find third proportional to 143,712 and 312,291
Half scale
Find third proportional to 574,848 and 1,249,164
Double scale
Find third proportional to 287,426 and 624,586
Similar ratio
Find third proportional to 431,136 and 936,873
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.