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Finding the Third Proportional to 74,286,018 and 99,074,583

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Solution

The third proportional to 74,286,018 and 99,074,583 is: 132,134,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286,018 : 99,074,583 = 99,074,583 : x
  2. Step 2: Convert to fraction form
    74,286,018/99,074,583 = 99,074,583/x
  3. Step 3: Cross multiply
    74,286,018x = 99,074,583 × 99,074,583
  4. Step 4: Simplify right side
    74,286,018x = 9,815,772,996,623,888
  5. Step 5: Solve for x
    x = 9,815,772,996,623,888/74,286,018
  6. Step 6: Final answer
    x = 132,134,865.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.