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Finding the Third Proportional to 64,472,814 and 139,338,252

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Solution

The third proportional to 64,472,814 and 139,338,252 is: 301,136,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,472,814 : 139,338,252 = 139,338,252 : x
  2. Step 2: Convert to fraction form
    64,472,814/139,338,252 = 139,338,252/x
  3. Step 3: Cross multiply
    64,472,814x = 139,338,252 × 139,338,252
  4. Step 4: Simplify right side
    64,472,814x = 19,415,148,470,415,504
  5. Step 5: Solve for x
    x = 19,415,148,470,415,504/64,472,814
  6. Step 6: Final answer
    x = 301,136,979.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.