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Finding the Third Proportional to 70,140 and 106,047

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Solution

The third proportional to 70,140 and 106,047 is: 160,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140 : 106,047 = 106,047 : x
  2. Step 2: Convert to fraction form
    70,140/106,047 = 106,047/x
  3. Step 3: Cross multiply
    70,140x = 106,047 × 106,047
  4. Step 4: Simplify right side
    70,140x = 11,245,966,209
  5. Step 5: Solve for x
    x = 11,245,966,209/70,140
  6. Step 6: Final answer
    x = 160,335.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.