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Finding the Third Proportional to 8,020,408 and 17,319,220

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Solution

The third proportional to 8,020,408 and 17,319,220 is: 37,399,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,408 : 17,319,220 = 17,319,220 : x
  2. Step 2: Convert to fraction form
    8,020,408/17,319,220 = 17,319,220/x
  3. Step 3: Cross multiply
    8,020,408x = 17,319,220 × 17,319,220
  4. Step 4: Simplify right side
    8,020,408x = 299,955,381,408,400
  5. Step 5: Solve for x
    x = 299,955,381,408,400/8,020,408
  6. Step 6: Final answer
    x = 37,399,017.78

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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.