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Finding the Third Proportional to 74,902 and 114,540

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Solution

The third proportional to 74,902 and 114,540 is: 175,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902 : 114,540 = 114,540 : x
  2. Step 2: Convert to fraction form
    74,902/114,540 = 114,540/x
  3. Step 3: Cross multiply
    74,902x = 114,540 × 114,540
  4. Step 4: Simplify right side
    74,902x = 13,119,411,600
  5. Step 5: Solve for x
    x = 13,119,411,600/74,902
  6. Step 6: Final answer
    x = 175,154.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.