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Finding the Third Proportional to 58,282.50 and 90,006

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Solution

The third proportional to 58,282.50 and 90,006 is: 138,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,282.50 : 90,006 = 90,006 : x
  2. Step 2: Convert to fraction form
    58,282.50/90,006 = 90,006/x
  3. Step 3: Cross multiply
    58,282.50x = 90,006 × 90,006
  4. Step 4: Simplify right side
    58,282.50x = 8,101,080,036
  5. Step 5: Solve for x
    x = 8,101,080,036/58,282.50
  6. Step 6: Final answer
    x = 138,996.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.