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Finding the Third Proportional to 272,688 and 585,855

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Solution

The third proportional to 272,688 and 585,855 is: 1,258,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,688 : 585,855 = 585,855 : x
  2. Step 2: Convert to fraction form
    272,688/585,855 = 585,855/x
  3. Step 3: Cross multiply
    272,688x = 585,855 × 585,855
  4. Step 4: Simplify right side
    272,688x = 343,226,081,025
  5. Step 5: Solve for x
    x = 343,226,081,025/272,688
  6. Step 6: Final answer
    x = 1,258,676.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.