Home / 318,748-693,576

Finding the Third Proportional to 318,748 and 693,576

Calculator

Solution

The third proportional to 318,748 and 693,576 is: 1,509,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,748 : 693,576 = 693,576 : x
  2. Step 2: Convert to fraction form
    318,748/693,576 = 693,576/x
  3. Step 3: Cross multiply
    318,748x = 693,576 × 693,576
  4. Step 4: Simplify right side
    318,748x = 481,047,667,776
  5. Step 5: Solve for x
    x = 481,047,667,776/318,748
  6. Step 6: Final answer
    x = 1,509,178.62

Related Problems

Find third proportional to 159,374 and 346,788
Half scale
Find third proportional to 637,496 and 1,387,152
Double scale
Find third proportional to 318,750 and 693,580
Similar ratio
Find third proportional to 478,122 and 1,040,364
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.