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Finding the Third Proportional to 310,656 and 465,504

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Solution

The third proportional to 310,656 and 465,504 is: 697,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,656 : 465,504 = 465,504 : x
  2. Step 2: Convert to fraction form
    310,656/465,504 = 465,504/x
  3. Step 3: Cross multiply
    310,656x = 465,504 × 465,504
  4. Step 4: Simplify right side
    310,656x = 216,693,974,016
  5. Step 5: Solve for x
    x = 216,693,974,016/310,656
  6. Step 6: Final answer
    x = 697,536.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.