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Finding the Third Proportional to 117,565.50 and 171,423

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Solution

The third proportional to 117,565.50 and 171,423 is: 249,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,565.50 : 171,423 = 171,423 : x
  2. Step 2: Convert to fraction form
    117,565.50/171,423 = 171,423/x
  3. Step 3: Cross multiply
    117,565.50x = 171,423 × 171,423
  4. Step 4: Simplify right side
    117,565.50x = 29,385,844,929
  5. Step 5: Solve for x
    x = 29,385,844,929/117,565.50
  6. Step 6: Final answer
    x = 249,952.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.