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Finding the Third Proportional to 62,688 and 97,128

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Solution

The third proportional to 62,688 and 97,128 is: 150,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,688 : 97,128 = 97,128 : x
  2. Step 2: Convert to fraction form
    62,688/97,128 = 97,128/x
  3. Step 3: Cross multiply
    62,688x = 97,128 × 97,128
  4. Step 4: Simplify right side
    62,688x = 9,433,848,384
  5. Step 5: Solve for x
    x = 9,433,848,384/62,688
  6. Step 6: Final answer
    x = 150,488.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.