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Finding the Third Proportional to 3,317,503,478 and 7,127,340,844

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Solution

The third proportional to 3,317,503,478 and 7,127,340,844 is: 15,312,414,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,503,478 : 7,127,340,844 = 7,127,340,844 : x
  2. Step 2: Convert to fraction form
    3,317,503,478/7,127,340,844 = 7,127,340,844/x
  3. Step 3: Cross multiply
    3,317,503,478x = 7,127,340,844 × 7,127,340,844
  4. Step 4: Simplify right side
    3,317,503,478x = 50,798,987,506,550,628,352
  5. Step 5: Solve for x
    x = 50,798,987,506,550,628,352/3,317,503,478
  6. Step 6: Final answer
    x = 15,312,414,242.64

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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.