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Finding the Third Proportional to 1,276,637 and 1,890,307

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Solution

The third proportional to 1,276,637 and 1,890,307 is: 2,798,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,637 : 1,890,307 = 1,890,307 : x
  2. Step 2: Convert to fraction form
    1,276,637/1,890,307 = 1,890,307/x
  3. Step 3: Cross multiply
    1,276,637x = 1,890,307 × 1,890,307
  4. Step 4: Simplify right side
    1,276,637x = 3,573,260,554,249
  5. Step 5: Solve for x
    x = 3,573,260,554,249/1,276,637
  6. Step 6: Final answer
    x = 2,798,963.65

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.