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Finding the Third Proportional to 4,959,915 and 7,020,207

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Solution

The third proportional to 4,959,915 and 7,020,207 is: 9,936,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,915 : 7,020,207 = 7,020,207 : x
  2. Step 2: Convert to fraction form
    4,959,915/7,020,207 = 7,020,207/x
  3. Step 3: Cross multiply
    4,959,915x = 7,020,207 × 7,020,207
  4. Step 4: Simplify right side
    4,959,915x = 49,283,306,322,849
  5. Step 5: Solve for x
    x = 49,283,306,322,849/4,959,915
  6. Step 6: Final answer
    x = 9,936,320.75

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.