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Finding the Third Proportional to 8,731,384 and 18,367,666

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Solution

The third proportional to 8,731,384 and 18,367,666 is: 38,638,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,384 : 18,367,666 = 18,367,666 : x
  2. Step 2: Convert to fraction form
    8,731,384/18,367,666 = 18,367,666/x
  3. Step 3: Cross multiply
    8,731,384x = 18,367,666 × 18,367,666
  4. Step 4: Simplify right side
    8,731,384x = 337,371,154,287,556
  5. Step 5: Solve for x
    x = 337,371,154,287,556/8,731,384
  6. Step 6: Final answer
    x = 38,638,909.28

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.