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Finding the Third Proportional to 42,594 and 66,018

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Solution

The third proportional to 42,594 and 66,018 is: 102,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,594 : 66,018 = 66,018 : x
  2. Step 2: Convert to fraction form
    42,594/66,018 = 66,018/x
  3. Step 3: Cross multiply
    42,594x = 66,018 × 66,018
  4. Step 4: Simplify right side
    42,594x = 4,358,376,324
  5. Step 5: Solve for x
    x = 4,358,376,324/42,594
  6. Step 6: Final answer
    x = 102,323.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.