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Finding the Third Proportional to 116,419.13 and 178,012.13

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Solution

The third proportional to 116,419.13 and 178,012.13 is: 272,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,419.13 : 178,012.13 = 178,012.13 : x
  2. Step 2: Convert to fraction form
    116,419.13/178,012.13 = 178,012.13/x
  3. Step 3: Cross multiply
    116,419.13x = 178,012.13 × 178,012.13
  4. Step 4: Simplify right side
    116,419.13x = 31,688,316,647.02
  5. Step 5: Solve for x
    x = 31,688,316,647.02/116,419.13
  6. Step 6: Final answer
    x = 272,191.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.