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Finding the Third Proportional to 873,715 and 1,868,864

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Solution

The third proportional to 873,715 and 1,868,864 is: 3,997,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,715 : 1,868,864 = 1,868,864 : x
  2. Step 2: Convert to fraction form
    873,715/1,868,864 = 1,868,864/x
  3. Step 3: Cross multiply
    873,715x = 1,868,864 × 1,868,864
  4. Step 4: Simplify right side
    873,715x = 3,492,652,650,496
  5. Step 5: Solve for x
    x = 3,492,652,650,496/873,715
  6. Step 6: Final answer
    x = 3,997,473.60

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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.