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Finding the Third Proportional to 17,712,515 and 28,922,942

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Solution

The third proportional to 17,712,515 and 28,922,942 is: 47,228,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712,515 : 28,922,942 = 28,922,942 : x
  2. Step 2: Convert to fraction form
    17,712,515/28,922,942 = 28,922,942/x
  3. Step 3: Cross multiply
    17,712,515x = 28,922,942 × 28,922,942
  4. Step 4: Simplify right side
    17,712,515x = 836,536,573,935,364
  5. Step 5: Solve for x
    x = 836,536,573,935,364/17,712,515
  6. Step 6: Final answer
    x = 47,228,559.80

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.