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Finding the Third Proportional to 242,352 and 381,172.50

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Solution

The third proportional to 242,352 and 381,172.50 is: 599,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,352 : 381,172.50 = 381,172.50 : x
  2. Step 2: Convert to fraction form
    242,352/381,172.50 = 381,172.50/x
  3. Step 3: Cross multiply
    242,352x = 381,172.50 × 381,172.50
  4. Step 4: Simplify right side
    242,352x = 145,292,474,756.25
  5. Step 5: Solve for x
    x = 145,292,474,756.25/242,352
  6. Step 6: Final answer
    x = 599,510.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.