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Finding the Third Proportional to 61,980.19 and 92,848.78

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Solution

The third proportional to 61,980.19 and 92,848.78 is: 139,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.19 : 92,848.78 = 92,848.78 : x
  2. Step 2: Convert to fraction form
    61,980.19/92,848.78 = 92,848.78/x
  3. Step 3: Cross multiply
    61,980.19x = 92,848.78 × 92,848.78
  4. Step 4: Simplify right side
    61,980.19x = 8,620,896,179.61
  5. Step 5: Solve for x
    x = 8,620,896,179.61/61,980.19
  6. Step 6: Final answer
    x = 139,091.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.