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Finding the Third Proportional to 9,702,348 and 19,689,795

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Solution

The third proportional to 9,702,348 and 19,689,795 is: 39,958,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702,348 : 19,689,795 = 19,689,795 : x
  2. Step 2: Convert to fraction form
    9,702,348/19,689,795 = 19,689,795/x
  3. Step 3: Cross multiply
    9,702,348x = 19,689,795 × 19,689,795
  4. Step 4: Simplify right side
    9,702,348x = 387,688,027,142,025
  5. Step 5: Solve for x
    x = 387,688,027,142,025/9,702,348
  6. Step 6: Final answer
    x = 39,958,165.50

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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.