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Finding the Third Proportional to 580,580 and 879,630

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Solution

The third proportional to 580,580 and 879,630 is: 1,332,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,580 : 879,630 = 879,630 : x
  2. Step 2: Convert to fraction form
    580,580/879,630 = 879,630/x
  3. Step 3: Cross multiply
    580,580x = 879,630 × 879,630
  4. Step 4: Simplify right side
    580,580x = 773,748,936,900
  5. Step 5: Solve for x
    x = 773,748,936,900/580,580
  6. Step 6: Final answer
    x = 1,332,717.17

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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.