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Finding the Third Proportional to 74,168,145 and 109,107,904

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Solution

The third proportional to 74,168,145 and 109,107,904 is: 160,507,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168,145 : 109,107,904 = 109,107,904 : x
  2. Step 2: Convert to fraction form
    74,168,145/109,107,904 = 109,107,904/x
  3. Step 3: Cross multiply
    74,168,145x = 109,107,904 × 109,107,904
  4. Step 4: Simplify right side
    74,168,145x = 11,904,534,715,273,216
  5. Step 5: Solve for x
    x = 11,904,534,715,273,216/74,168,145
  6. Step 6: Final answer
    x = 160,507,381.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.