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Finding the Third Proportional to 18,662,866 and 26,687,931

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Solution

The third proportional to 18,662,866 and 26,687,931 is: 38,163,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,866 : 26,687,931 = 26,687,931 : x
  2. Step 2: Convert to fraction form
    18,662,866/26,687,931 = 26,687,931/x
  3. Step 3: Cross multiply
    18,662,866x = 26,687,931 × 26,687,931
  4. Step 4: Simplify right side
    18,662,866x = 712,245,661,060,761
  5. Step 5: Solve for x
    x = 712,245,661,060,761/18,662,866
  6. Step 6: Final answer
    x = 38,163,787.98

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.