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Finding the Third Proportional to 45,748 and 70,902

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Solution

The third proportional to 45,748 and 70,902 is: 109,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,748 : 70,902 = 70,902 : x
  2. Step 2: Convert to fraction form
    45,748/70,902 = 70,902/x
  3. Step 3: Cross multiply
    45,748x = 70,902 × 70,902
  4. Step 4: Simplify right side
    45,748x = 5,027,093,604
  5. Step 5: Solve for x
    x = 5,027,093,604/45,748
  6. Step 6: Final answer
    x = 109,886.63

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.