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Finding the Third Proportional to 158,491.13 and 235,117.69

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Solution

The third proportional to 158,491.13 and 235,117.69 is: 348,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,491.13 : 235,117.69 = 235,117.69 : x
  2. Step 2: Convert to fraction form
    158,491.13/235,117.69 = 235,117.69/x
  3. Step 3: Cross multiply
    158,491.13x = 235,117.69 × 235,117.69
  4. Step 4: Simplify right side
    158,491.13x = 55,280,326,975.35
  5. Step 5: Solve for x
    x = 55,280,326,975.35/158,491.13
  6. Step 6: Final answer
    x = 348,791.31

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.