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Finding the Third Proportional to 58,346 and 128,038

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Solution

The third proportional to 58,346 and 128,038 is: 280,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,346 : 128,038 = 128,038 : x
  2. Step 2: Convert to fraction form
    58,346/128,038 = 128,038/x
  3. Step 3: Cross multiply
    58,346x = 128,038 × 128,038
  4. Step 4: Simplify right side
    58,346x = 16,393,729,444
  5. Step 5: Solve for x
    x = 16,393,729,444/58,346
  6. Step 6: Final answer
    x = 280,974.35

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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.