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Finding the Third Proportional to 11,808,466 and 19,282,175

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Solution

The third proportional to 11,808,466 and 19,282,175 is: 31,486,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,466 : 19,282,175 = 19,282,175 : x
  2. Step 2: Convert to fraction form
    11,808,466/19,282,175 = 19,282,175/x
  3. Step 3: Cross multiply
    11,808,466x = 19,282,175 × 19,282,175
  4. Step 4: Simplify right side
    11,808,466x = 371,802,272,730,625
  5. Step 5: Solve for x
    x = 371,802,272,730,625/11,808,466
  6. Step 6: Final answer
    x = 31,486,077.25

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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.