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Finding the Third Proportional to 45,331 and 70,365

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Solution

The third proportional to 45,331 and 70,365 is: 109,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331 : 70,365 = 70,365 : x
  2. Step 2: Convert to fraction form
    45,331/70,365 = 70,365/x
  3. Step 3: Cross multiply
    45,331x = 70,365 × 70,365
  4. Step 4: Simplify right side
    45,331x = 4,951,233,225
  5. Step 5: Solve for x
    x = 4,951,233,225/45,331
  6. Step 6: Final answer
    x = 109,224.00

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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.