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Finding the Third Proportional to 73,038 and 153,455.50

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Solution

The third proportional to 73,038 and 153,455.50 is: 322,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038 : 153,455.50 = 153,455.50 : x
  2. Step 2: Convert to fraction form
    73,038/153,455.50 = 153,455.50/x
  3. Step 3: Cross multiply
    73,038x = 153,455.50 × 153,455.50
  4. Step 4: Simplify right side
    73,038x = 23,548,590,480.25
  5. Step 5: Solve for x
    x = 23,548,590,480.25/73,038
  6. Step 6: Final answer
    x = 322,415.60

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.