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Finding the Third Proportional to 168,699 and 247,972.50

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Solution

The third proportional to 168,699 and 247,972.50 is: 364,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,699 : 247,972.50 = 247,972.50 : x
  2. Step 2: Convert to fraction form
    168,699/247,972.50 = 247,972.50/x
  3. Step 3: Cross multiply
    168,699x = 247,972.50 × 247,972.50
  4. Step 4: Simplify right side
    168,699x = 61,490,360,756.25
  5. Step 5: Solve for x
    x = 61,490,360,756.25/168,699
  6. Step 6: Final answer
    x = 364,497.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.