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Finding the Third Proportional to 72,460 and 97,518

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Solution

The third proportional to 72,460 and 97,518 is: 131,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460 : 97,518 = 97,518 : x
  2. Step 2: Convert to fraction form
    72,460/97,518 = 97,518/x
  3. Step 3: Cross multiply
    72,460x = 97,518 × 97,518
  4. Step 4: Simplify right side
    72,460x = 9,509,760,324
  5. Step 5: Solve for x
    x = 9,509,760,324/72,460
  6. Step 6: Final answer
    x = 131,241.52

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.