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Finding the Third Proportional to 378,882 and 585,210

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Solution

The third proportional to 378,882 and 585,210 is: 903,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,882 : 585,210 = 585,210 : x
  2. Step 2: Convert to fraction form
    378,882/585,210 = 585,210/x
  3. Step 3: Cross multiply
    378,882x = 585,210 × 585,210
  4. Step 4: Simplify right side
    378,882x = 342,470,744,100
  5. Step 5: Solve for x
    x = 342,470,744,100/378,882
  6. Step 6: Final answer
    x = 903,898.16

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.