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Finding the Third Proportional to 74,772 and 163,476

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Solution

The third proportional to 74,772 and 163,476 is: 357,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772 : 163,476 = 163,476 : x
  2. Step 2: Convert to fraction form
    74,772/163,476 = 163,476/x
  3. Step 3: Cross multiply
    74,772x = 163,476 × 163,476
  4. Step 4: Simplify right side
    74,772x = 26,724,402,576
  5. Step 5: Solve for x
    x = 26,724,402,576/74,772
  6. Step 6: Final answer
    x = 357,411.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.