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Finding the Third Proportional to 105,352 and 253,888

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Solution

The third proportional to 105,352 and 253,888 is: 611,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352 : 253,888 = 253,888 : x
  2. Step 2: Convert to fraction form
    105,352/253,888 = 253,888/x
  3. Step 3: Cross multiply
    105,352x = 253,888 × 253,888
  4. Step 4: Simplify right side
    105,352x = 64,459,116,544
  5. Step 5: Solve for x
    x = 64,459,116,544/105,352
  6. Step 6: Final answer
    x = 611,845.21

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.