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Finding the Third Proportional to 1,658,776,812 and 3,563,720,643

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Solution

The third proportional to 1,658,776,812 and 3,563,720,643 is: 7,656,307,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,776,812 : 3,563,720,643 = 3,563,720,643 : x
  2. Step 2: Convert to fraction form
    1,658,776,812/3,563,720,643 = 3,563,720,643/x
  3. Step 3: Cross multiply
    1,658,776,812x = 3,563,720,643 × 3,563,720,643
  4. Step 4: Simplify right side
    1,658,776,812x = 12,700,104,821,344,333,824
  5. Step 5: Solve for x
    x = 12,700,104,821,344,333,824/1,658,776,812
  6. Step 6: Final answer
    x = 7,656,307,183.38

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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.