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Finding the Third Proportional to 13,443,672 and 20,663,894

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Solution

The third proportional to 13,443,672 and 20,663,894 is: 31,761,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,672 : 20,663,894 = 20,663,894 : x
  2. Step 2: Convert to fraction form
    13,443,672/20,663,894 = 20,663,894/x
  3. Step 3: Cross multiply
    13,443,672x = 20,663,894 × 20,663,894
  4. Step 4: Simplify right side
    13,443,672x = 426,996,515,243,236
  5. Step 5: Solve for x
    x = 426,996,515,243,236/13,443,672
  6. Step 6: Final answer
    x = 31,761,896.25

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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.