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Finding the Third Proportional to 580,578 and 879,618

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Solution

The third proportional to 580,578 and 879,618 is: 1,332,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,578 : 879,618 = 879,618 : x
  2. Step 2: Convert to fraction form
    580,578/879,618 = 879,618/x
  3. Step 3: Cross multiply
    580,578x = 879,618 × 879,618
  4. Step 4: Simplify right side
    580,578x = 773,727,825,924
  5. Step 5: Solve for x
    x = 773,727,825,924/580,578
  6. Step 6: Final answer
    x = 1,332,685.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.