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Finding the Third Proportional to 64,391 and 94,660.50

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Solution

The third proportional to 64,391 and 94,660.50 is: 139,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391 : 94,660.50 = 94,660.50 : x
  2. Step 2: Convert to fraction form
    64,391/94,660.50 = 94,660.50/x
  3. Step 3: Cross multiply
    64,391x = 94,660.50 × 94,660.50
  4. Step 4: Simplify right side
    64,391x = 8,960,610,260.25
  5. Step 5: Solve for x
    x = 8,960,610,260.25/64,391
  6. Step 6: Final answer
    x = 139,159.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.