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Finding the Third Proportional to 7,403,685 and 16,508,781

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Solution

The third proportional to 7,403,685 and 16,508,781 is: 36,811,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,685 : 16,508,781 = 16,508,781 : x
  2. Step 2: Convert to fraction form
    7,403,685/16,508,781 = 16,508,781/x
  3. Step 3: Cross multiply
    7,403,685x = 16,508,781 × 16,508,781
  4. Step 4: Simplify right side
    7,403,685x = 272,539,850,105,961
  5. Step 5: Solve for x
    x = 272,539,850,105,961/7,403,685
  6. Step 6: Final answer
    x = 36,811,378.40

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.