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Finding the Third Proportional to 113,187.38 and 153,173.53

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Solution

The third proportional to 113,187.38 and 153,173.53 is: 207,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.38 : 153,173.53 = 153,173.53 : x
  2. Step 2: Convert to fraction form
    113,187.38/153,173.53 = 153,173.53/x
  3. Step 3: Cross multiply
    113,187.38x = 153,173.53 × 153,173.53
  4. Step 4: Simplify right side
    113,187.38x = 23,462,130,675.59
  5. Step 5: Solve for x
    x = 23,462,130,675.59/113,187.38
  6. Step 6: Final answer
    x = 207,285.76

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.