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Finding the Third Proportional to 106,430 and 160,428

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Solution

The third proportional to 106,430 and 160,428 is: 241,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430 : 160,428 = 160,428 : x
  2. Step 2: Convert to fraction form
    106,430/160,428 = 160,428/x
  3. Step 3: Cross multiply
    106,430x = 160,428 × 160,428
  4. Step 4: Simplify right side
    106,430x = 25,737,143,184
  5. Step 5: Solve for x
    x = 25,737,143,184/106,430
  6. Step 6: Final answer
    x = 241,822.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.