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Finding the Third Proportional to 920,104,643 and 1,980,509,706

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Solution

The third proportional to 920,104,643 and 1,980,509,706 is: 4,263,013,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,104,643 : 1,980,509,706 = 1,980,509,706 : x
  2. Step 2: Convert to fraction form
    920,104,643/1,980,509,706 = 1,980,509,706/x
  3. Step 3: Cross multiply
    920,104,643x = 1,980,509,706 × 1,980,509,706
  4. Step 4: Simplify right side
    920,104,643x = 3,922,418,695,560,206,336
  5. Step 5: Solve for x
    x = 3,922,418,695,560,206,336/920,104,643
  6. Step 6: Final answer
    x = 4,263,013,696.76

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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.