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Finding the Third Proportional to 130,507.50 and 277,006.50

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Solution

The third proportional to 130,507.50 and 277,006.50 is: 587,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507.50 : 277,006.50 = 277,006.50 : x
  2. Step 2: Convert to fraction form
    130,507.50/277,006.50 = 277,006.50/x
  3. Step 3: Cross multiply
    130,507.50x = 277,006.50 × 277,006.50
  4. Step 4: Simplify right side
    130,507.50x = 76,732,601,042.25
  5. Step 5: Solve for x
    x = 76,732,601,042.25/130,507.50
  6. Step 6: Final answer
    x = 587,955.49

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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.