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Finding the Third Proportional to 878,246 and 1,889,644

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Solution

The third proportional to 878,246 and 1,889,644 is: 4,065,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,246 : 1,889,644 = 1,889,644 : x
  2. Step 2: Convert to fraction form
    878,246/1,889,644 = 1,889,644/x
  3. Step 3: Cross multiply
    878,246x = 1,889,644 × 1,889,644
  4. Step 4: Simplify right side
    878,246x = 3,570,754,446,736
  5. Step 5: Solve for x
    x = 3,570,754,446,736/878,246
  6. Step 6: Final answer
    x = 4,065,779.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.