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Finding the Third Proportional to 31,239,368,502 and 47,589,950,209

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Solution

The third proportional to 31,239,368,502 and 47,589,950,209 is: 72,498,372,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239,368,502 : 47,589,950,209 = 47,589,950,209 : x
  2. Step 2: Convert to fraction form
    31,239,368,502/47,589,950,209 = 47,589,950,209/x
  3. Step 3: Cross multiply
    31,239,368,502x = 47,589,950,209 × 47,589,950,209
  4. Step 4: Simplify right side
    31,239,368,502x = 2,264,803,360,895,099,207,680
  5. Step 5: Solve for x
    x = 2,264,803,360,895,099,207,680/31,239,368,502
  6. Step 6: Final answer
    x = 72,498,372,070.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.