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Finding the Third Proportional to 417,384 and 559,152

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Solution

The third proportional to 417,384 and 559,152 is: 749,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,384 : 559,152 = 559,152 : x
  2. Step 2: Convert to fraction form
    417,384/559,152 = 559,152/x
  3. Step 3: Cross multiply
    417,384x = 559,152 × 559,152
  4. Step 4: Simplify right side
    417,384x = 312,650,959,104
  5. Step 5: Solve for x
    x = 312,650,959,104/417,384
  6. Step 6: Final answer
    x = 749,072.70

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.