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Finding the Third Proportional to 890,246 and 1,886,440

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Solution

The third proportional to 890,246 and 1,886,440 is: 3,997,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,246 : 1,886,440 = 1,886,440 : x
  2. Step 2: Convert to fraction form
    890,246/1,886,440 = 1,886,440/x
  3. Step 3: Cross multiply
    890,246x = 1,886,440 × 1,886,440
  4. Step 4: Simplify right side
    890,246x = 3,558,655,873,600
  5. Step 5: Solve for x
    x = 3,558,655,873,600/890,246
  6. Step 6: Final answer
    x = 3,997,384.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.