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Finding the Third Proportional to 3,656,697.75 and 7,875,333

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Solution

The third proportional to 3,656,697.75 and 7,875,333 is: 16,960,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656,697.75 : 7,875,333 = 7,875,333 : x
  2. Step 2: Convert to fraction form
    3,656,697.75/7,875,333 = 7,875,333/x
  3. Step 3: Cross multiply
    3,656,697.75x = 7,875,333 × 7,875,333
  4. Step 4: Simplify right side
    3,656,697.75x = 62,020,869,860,889
  5. Step 5: Solve for x
    x = 62,020,869,860,889/3,656,697.75
  6. Step 6: Final answer
    x = 16,960,895.90

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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.