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Finding the Third Proportional to 261,684 and 564,816

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Solution

The third proportional to 261,684 and 564,816 is: 1,219,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,684 : 564,816 = 564,816 : x
  2. Step 2: Convert to fraction form
    261,684/564,816 = 564,816/x
  3. Step 3: Cross multiply
    261,684x = 564,816 × 564,816
  4. Step 4: Simplify right side
    261,684x = 319,017,113,856
  5. Step 5: Solve for x
    x = 319,017,113,856/261,684
  6. Step 6: Final answer
    x = 1,219,092.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.