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Finding the Third Proportional to 13,443,670 and 20,663,889

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Solution

The third proportional to 13,443,670 and 20,663,889 is: 31,761,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,670 : 20,663,889 = 20,663,889 : x
  2. Step 2: Convert to fraction form
    13,443,670/20,663,889 = 20,663,889/x
  3. Step 3: Cross multiply
    13,443,670x = 20,663,889 × 20,663,889
  4. Step 4: Simplify right side
    13,443,670x = 426,996,308,604,321
  5. Step 5: Solve for x
    x = 426,996,308,604,321/13,443,670
  6. Step 6: Final answer
    x = 31,761,885.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.