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Finding the Third Proportional to 71,315 and 110,047

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Solution

The third proportional to 71,315 and 110,047 is: 169,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,315 : 110,047 = 110,047 : x
  2. Step 2: Convert to fraction form
    71,315/110,047 = 110,047/x
  3. Step 3: Cross multiply
    71,315x = 110,047 × 110,047
  4. Step 4: Simplify right side
    71,315x = 12,110,342,209
  5. Step 5: Solve for x
    x = 12,110,342,209/71,315
  6. Step 6: Final answer
    x = 169,814.80

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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.