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Finding the Third Proportional to 30,185,991.75 and 47,072,598.75

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Solution

The third proportional to 30,185,991.75 and 47,072,598.75 is: 73,405,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185,991.75 : 47,072,598.75 = 47,072,598.75 : x
  2. Step 2: Convert to fraction form
    30,185,991.75/47,072,598.75 = 47,072,598.75/x
  3. Step 3: Cross multiply
    30,185,991.75x = 47,072,598.75 × 47,072,598.75
  4. Step 4: Simplify right side
    30,185,991.75x = 2,215,829,553,078,501.50
  5. Step 5: Solve for x
    x = 2,215,829,553,078,501.50/30,185,991.75
  6. Step 6: Final answer
    x = 73,405,888.78

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.