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Finding the Third Proportional to 920,104,648.50 and 1,980,509,715

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Solution

The third proportional to 920,104,648.50 and 1,980,509,715 is: 4,263,013,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,104,648.50 : 1,980,509,715 = 1,980,509,715 : x
  2. Step 2: Convert to fraction form
    920,104,648.50/1,980,509,715 = 1,980,509,715/x
  3. Step 3: Cross multiply
    920,104,648.50x = 1,980,509,715 × 1,980,509,715
  4. Step 4: Simplify right side
    920,104,648.50x = 3,922,418,731,209,381,376
  5. Step 5: Solve for x
    x = 3,922,418,731,209,381,376/920,104,648.50
  6. Step 6: Final answer
    x = 4,263,013,710.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.