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Finding the Third Proportional to 64,653,561 and 100,380,493.50

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Solution

The third proportional to 64,653,561 and 100,380,493.50 is: 155,849,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653,561 : 100,380,493.50 = 100,380,493.50 : x
  2. Step 2: Convert to fraction form
    64,653,561/100,380,493.50 = 100,380,493.50/x
  3. Step 3: Cross multiply
    64,653,561x = 100,380,493.50 × 100,380,493.50
  4. Step 4: Simplify right side
    64,653,561x = 10,076,243,475,303,542
  5. Step 5: Solve for x
    x = 10,076,243,475,303,542/64,653,561
  6. Step 6: Final answer
    x = 155,849,783.36

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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.