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Finding the Third Proportional to 242,175 and 377,977.50

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Solution

The third proportional to 242,175 and 377,977.50 is: 589,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,175 : 377,977.50 = 377,977.50 : x
  2. Step 2: Convert to fraction form
    242,175/377,977.50 = 377,977.50/x
  3. Step 3: Cross multiply
    242,175x = 377,977.50 × 377,977.50
  4. Step 4: Simplify right side
    242,175x = 142,866,990,506.25
  5. Step 5: Solve for x
    x = 142,866,990,506.25/242,175
  6. Step 6: Final answer
    x = 589,932.86

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.