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Finding the Third Proportional to 130,833 and 207,508.50

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Solution

The third proportional to 130,833 and 207,508.50 is: 329,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,833 : 207,508.50 = 207,508.50 : x
  2. Step 2: Convert to fraction form
    130,833/207,508.50 = 207,508.50/x
  3. Step 3: Cross multiply
    130,833x = 207,508.50 × 207,508.50
  4. Step 4: Simplify right side
    130,833x = 43,059,777,572.25
  5. Step 5: Solve for x
    x = 43,059,777,572.25/130,833
  6. Step 6: Final answer
    x = 329,120.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.