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Finding the Third Proportional to 1,242,936 and 1,881,207

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Solution

The third proportional to 1,242,936 and 1,881,207 is: 2,847,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,936 : 1,881,207 = 1,881,207 : x
  2. Step 2: Convert to fraction form
    1,242,936/1,881,207 = 1,881,207/x
  3. Step 3: Cross multiply
    1,242,936x = 1,881,207 × 1,881,207
  4. Step 4: Simplify right side
    1,242,936x = 3,538,939,776,849
  5. Step 5: Solve for x
    x = 3,538,939,776,849/1,242,936
  6. Step 6: Final answer
    x = 2,847,242.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.