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Finding the Third Proportional to 74,046 and 112,342.50

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Solution

The third proportional to 74,046 and 112,342.50 is: 170,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046 : 112,342.50 = 112,342.50 : x
  2. Step 2: Convert to fraction form
    74,046/112,342.50 = 112,342.50/x
  3. Step 3: Cross multiply
    74,046x = 112,342.50 × 112,342.50
  4. Step 4: Simplify right side
    74,046x = 12,620,837,306.25
  5. Step 5: Solve for x
    x = 12,620,837,306.25/74,046
  6. Step 6: Final answer
    x = 170,445.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.