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Finding the Third Proportional to 12,858,642 and 27,506,938

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Solution

The third proportional to 12,858,642 and 27,506,938 is: 58,842,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,642 : 27,506,938 = 27,506,938 : x
  2. Step 2: Convert to fraction form
    12,858,642/27,506,938 = 27,506,938/x
  3. Step 3: Cross multiply
    12,858,642x = 27,506,938 × 27,506,938
  4. Step 4: Simplify right side
    12,858,642x = 756,631,638,135,844
  5. Step 5: Solve for x
    x = 756,631,638,135,844/12,858,642
  6. Step 6: Final answer
    x = 58,842,266.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.