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Finding the Third Proportional to 108,645 and 235,378.50

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Solution

The third proportional to 108,645 and 235,378.50 is: 509,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645 : 235,378.50 = 235,378.50 : x
  2. Step 2: Convert to fraction form
    108,645/235,378.50 = 235,378.50/x
  3. Step 3: Cross multiply
    108,645x = 235,378.50 × 235,378.50
  4. Step 4: Simplify right side
    108,645x = 55,403,038,262.25
  5. Step 5: Solve for x
    x = 55,403,038,262.25/108,645
  6. Step 6: Final answer
    x = 509,945.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.