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Finding the Third Proportional to 4,403,428 and 9,108,921

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Solution

The third proportional to 4,403,428 and 9,108,921 is: 18,842,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403,428 : 9,108,921 = 9,108,921 : x
  2. Step 2: Convert to fraction form
    4,403,428/9,108,921 = 9,108,921/x
  3. Step 3: Cross multiply
    4,403,428x = 9,108,921 × 9,108,921
  4. Step 4: Simplify right side
    4,403,428x = 82,972,441,784,241
  5. Step 5: Solve for x
    x = 82,972,441,784,241/4,403,428
  6. Step 6: Final answer
    x = 18,842,692.96

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.