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Finding the Third Proportional to 166,440 and 360,528

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Solution

The third proportional to 166,440 and 360,528 is: 780,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440 : 360,528 = 360,528 : x
  2. Step 2: Convert to fraction form
    166,440/360,528 = 360,528/x
  3. Step 3: Cross multiply
    166,440x = 360,528 × 360,528
  4. Step 4: Simplify right side
    166,440x = 129,980,438,784
  5. Step 5: Solve for x
    x = 129,980,438,784/166,440
  6. Step 6: Final answer
    x = 780,944.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.