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Finding the Third Proportional to 810,639,495 and 1,643,835,987

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Solution

The third proportional to 810,639,495 and 1,643,835,987 is: 3,333,413,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,639,495 : 1,643,835,987 = 1,643,835,987 : x
  2. Step 2: Convert to fraction form
    810,639,495/1,643,835,987 = 1,643,835,987/x
  3. Step 3: Cross multiply
    810,639,495x = 1,643,835,987 × 1,643,835,987
  4. Step 4: Simplify right side
    810,639,495x = 2,702,196,752,156,263,936
  5. Step 5: Solve for x
    x = 2,702,196,752,156,263,936/810,639,495
  6. Step 6: Final answer
    x = 3,333,413,642.96

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.