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Finding the Third Proportional to 2,156,495,832 and 3,081,688,740

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Solution

The third proportional to 2,156,495,832 and 3,081,688,740 is: 4,403,813,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,495,832 : 3,081,688,740 = 3,081,688,740 : x
  2. Step 2: Convert to fraction form
    2,156,495,832/3,081,688,740 = 3,081,688,740/x
  3. Step 3: Cross multiply
    2,156,495,832x = 3,081,688,740 × 3,081,688,740
  4. Step 4: Simplify right side
    2,156,495,832x = 9,496,805,490,242,787,328
  5. Step 5: Solve for x
    x = 9,496,805,490,242,787,328/2,156,495,832
  6. Step 6: Final answer
    x = 4,403,813,515.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.