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Finding the Third Proportional to 431,179 and 907,050

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Solution

The third proportional to 431,179 and 907,050 is: 1,908,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,179 : 907,050 = 907,050 : x
  2. Step 2: Convert to fraction form
    431,179/907,050 = 907,050/x
  3. Step 3: Cross multiply
    431,179x = 907,050 × 907,050
  4. Step 4: Simplify right side
    431,179x = 822,739,702,500
  5. Step 5: Solve for x
    x = 822,739,702,500/431,179
  6. Step 6: Final answer
    x = 1,908,116.36

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.