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Finding the Third Proportional to 656,706 and 1,392,486

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Solution

The third proportional to 656,706 and 1,392,486 is: 2,952,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,706 : 1,392,486 = 1,392,486 : x
  2. Step 2: Convert to fraction form
    656,706/1,392,486 = 1,392,486/x
  3. Step 3: Cross multiply
    656,706x = 1,392,486 × 1,392,486
  4. Step 4: Simplify right side
    656,706x = 1,939,017,260,196
  5. Step 5: Solve for x
    x = 1,939,017,260,196/656,706
  6. Step 6: Final answer
    x = 2,952,641.30

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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.