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Finding the Third Proportional to 15,756,717 and 34,274,157

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Solution

The third proportional to 15,756,717 and 34,274,157 is: 74,553,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,717 : 34,274,157 = 34,274,157 : x
  2. Step 2: Convert to fraction form
    15,756,717/34,274,157 = 34,274,157/x
  3. Step 3: Cross multiply
    15,756,717x = 34,274,157 × 34,274,157
  4. Step 4: Simplify right side
    15,756,717x = 1,174,717,838,060,649
  5. Step 5: Solve for x
    x = 1,174,717,838,060,649/15,756,717
  6. Step 6: Final answer
    x = 74,553,464.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.