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Finding the Third Proportional to 109,460,040 and 237,972,740

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Solution

The third proportional to 109,460,040 and 237,972,740 is: 517,367,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,460,040 : 237,972,740 = 237,972,740 : x
  2. Step 2: Convert to fraction form
    109,460,040/237,972,740 = 237,972,740/x
  3. Step 3: Cross multiply
    109,460,040x = 237,972,740 × 237,972,740
  4. Step 4: Simplify right side
    109,460,040x = 56,631,024,983,107,600
  5. Step 5: Solve for x
    x = 56,631,024,983,107,600/109,460,040
  6. Step 6: Final answer
    x = 517,367,113.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.