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Finding the Third Proportional to 107,516 and 235,488

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Solution

The third proportional to 107,516 and 235,488 is: 515,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,516 : 235,488 = 235,488 : x
  2. Step 2: Convert to fraction form
    107,516/235,488 = 235,488/x
  3. Step 3: Cross multiply
    107,516x = 235,488 × 235,488
  4. Step 4: Simplify right side
    107,516x = 55,454,598,144
  5. Step 5: Solve for x
    x = 55,454,598,144/107,516
  6. Step 6: Final answer
    x = 515,779.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.