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Finding the Third Proportional to 156,316.50 and 368,632.50

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Solution

The third proportional to 156,316.50 and 368,632.50 is: 869,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,316.50 : 368,632.50 = 368,632.50 : x
  2. Step 2: Convert to fraction form
    156,316.50/368,632.50 = 368,632.50/x
  3. Step 3: Cross multiply
    156,316.50x = 368,632.50 × 368,632.50
  4. Step 4: Simplify right side
    156,316.50x = 135,889,920,056.25
  5. Step 5: Solve for x
    x = 135,889,920,056.25/156,316.50
  6. Step 6: Final answer
    x = 869,325.50

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.