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Finding the Third Proportional to 4,362,369 and 9,318,489

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Solution

The third proportional to 4,362,369 and 9,318,489 is: 19,905,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362,369 : 9,318,489 = 9,318,489 : x
  2. Step 2: Convert to fraction form
    4,362,369/9,318,489 = 9,318,489/x
  3. Step 3: Cross multiply
    4,362,369x = 9,318,489 × 9,318,489
  4. Step 4: Simplify right side
    4,362,369x = 86,834,237,243,121
  5. Step 5: Solve for x
    x = 86,834,237,243,121/4,362,369
  6. Step 6: Final answer
    x = 19,905,293.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.