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Finding the Third Proportional to 15,921,322 and 34,545,776

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Solution

The third proportional to 15,921,322 and 34,545,776 is: 74,956,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,322 : 34,545,776 = 34,545,776 : x
  2. Step 2: Convert to fraction form
    15,921,322/34,545,776 = 34,545,776/x
  3. Step 3: Cross multiply
    15,921,322x = 34,545,776 × 34,545,776
  4. Step 4: Simplify right side
    15,921,322x = 1,193,410,639,442,176
  5. Step 5: Solve for x
    x = 1,193,410,639,442,176/15,921,322
  6. Step 6: Final answer
    x = 74,956,755.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.