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Finding the Third Proportional to 4,016,640 and 8,829,348

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Solution

The third proportional to 4,016,640 and 8,829,348 is: 19,408,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016,640 : 8,829,348 = 8,829,348 : x
  2. Step 2: Convert to fraction form
    4,016,640/8,829,348 = 8,829,348/x
  3. Step 3: Cross multiply
    4,016,640x = 8,829,348 × 8,829,348
  4. Step 4: Simplify right side
    4,016,640x = 77,957,386,105,104
  5. Step 5: Solve for x
    x = 77,957,386,105,104/4,016,640
  6. Step 6: Final answer
    x = 19,408,606.72

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.