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Finding the Third Proportional to 70,501.50 and 153,963

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Solution

The third proportional to 70,501.50 and 153,963 is: 336,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,501.50 : 153,963 = 153,963 : x
  2. Step 2: Convert to fraction form
    70,501.50/153,963 = 153,963/x
  3. Step 3: Cross multiply
    70,501.50x = 153,963 × 153,963
  4. Step 4: Simplify right side
    70,501.50x = 23,704,605,369
  5. Step 5: Solve for x
    x = 23,704,605,369/70,501.50
  6. Step 6: Final answer
    x = 336,228.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.