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Finding the Third Proportional to 4,020,770 and 8,671,348

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Solution

The third proportional to 4,020,770 and 8,671,348 is: 18,700,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,770 : 8,671,348 = 8,671,348 : x
  2. Step 2: Convert to fraction form
    4,020,770/8,671,348 = 8,671,348/x
  3. Step 3: Cross multiply
    4,020,770x = 8,671,348 × 8,671,348
  4. Step 4: Simplify right side
    4,020,770x = 75,192,276,137,104
  5. Step 5: Solve for x
    x = 75,192,276,137,104/4,020,770
  6. Step 6: Final answer
    x = 18,700,964.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.