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Finding the Third Proportional to 18,872,767,470 and 29,303,569,377

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Solution

The third proportional to 18,872,767,470 and 29,303,569,377 is: 45,499,377,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,767,470 : 29,303,569,377 = 29,303,569,377 : x
  2. Step 2: Convert to fraction form
    18,872,767,470/29,303,569,377 = 29,303,569,377/x
  3. Step 3: Cross multiply
    18,872,767,470x = 29,303,569,377 × 29,303,569,377
  4. Step 4: Simplify right side
    18,872,767,470x = 858,699,178,232,652,103,680
  5. Step 5: Solve for x
    x = 858,699,178,232,652,103,680/18,872,767,470
  6. Step 6: Final answer
    x = 45,499,377,852.12

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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.