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Finding the Third Proportional to 130,723.50 and 277,143.50

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Solution

The third proportional to 130,723.50 and 277,143.50 is: 587,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,723.50 : 277,143.50 = 277,143.50 : x
  2. Step 2: Convert to fraction form
    130,723.50/277,143.50 = 277,143.50/x
  3. Step 3: Cross multiply
    130,723.50x = 277,143.50 × 277,143.50
  4. Step 4: Simplify right side
    130,723.50x = 76,808,519,592.25
  5. Step 5: Solve for x
    x = 76,808,519,592.25/130,723.50
  6. Step 6: Final answer
    x = 587,564.74

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.