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Finding the Third Proportional to 30,186,207 and 47,072,913

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Solution

The third proportional to 30,186,207 and 47,072,913 is: 73,406,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186,207 : 47,072,913 = 47,072,913 : x
  2. Step 2: Convert to fraction form
    30,186,207/47,072,913 = 47,072,913/x
  3. Step 3: Cross multiply
    30,186,207x = 47,072,913 × 47,072,913
  4. Step 4: Simplify right side
    30,186,207x = 2,215,859,138,305,569
  5. Step 5: Solve for x
    x = 2,215,859,138,305,569/30,186,207
  6. Step 6: Final answer
    x = 73,406,345.43

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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.