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Finding the Third Proportional to 64,840,982 and 100,291,465

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Solution

The third proportional to 64,840,982 and 100,291,465 is: 155,123,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840,982 : 100,291,465 = 100,291,465 : x
  2. Step 2: Convert to fraction form
    64,840,982/100,291,465 = 100,291,465/x
  3. Step 3: Cross multiply
    64,840,982x = 100,291,465 × 100,291,465
  4. Step 4: Simplify right side
    64,840,982x = 10,058,377,951,846,224
  5. Step 5: Solve for x
    x = 10,058,377,951,846,224/64,840,982
  6. Step 6: Final answer
    x = 155,123,775.76

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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.