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Finding the Third Proportional to 132,428 and 201,702

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Solution

The third proportional to 132,428 and 201,702 is: 307,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,428 : 201,702 = 201,702 : x
  2. Step 2: Convert to fraction form
    132,428/201,702 = 201,702/x
  3. Step 3: Cross multiply
    132,428x = 201,702 × 201,702
  4. Step 4: Simplify right side
    132,428x = 40,683,696,804
  5. Step 5: Solve for x
    x = 40,683,696,804/132,428
  6. Step 6: Final answer
    x = 307,213.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.