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Finding the Third Proportional to 585,216 and 855,630

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Solution

The third proportional to 585,216 and 855,630 is: 1,250,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,216 : 855,630 = 855,630 : x
  2. Step 2: Convert to fraction form
    585,216/855,630 = 855,630/x
  3. Step 3: Cross multiply
    585,216x = 855,630 × 855,630
  4. Step 4: Simplify right side
    585,216x = 732,102,696,900
  5. Step 5: Solve for x
    x = 732,102,696,900/585,216
  6. Step 6: Final answer
    x = 1,250,995.70

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.