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Finding the Third Proportional to 465,469.50 and 711,742.50

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Solution

The third proportional to 465,469.50 and 711,742.50 is: 1,088,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,469.50 : 711,742.50 = 711,742.50 : x
  2. Step 2: Convert to fraction form
    465,469.50/711,742.50 = 711,742.50/x
  3. Step 3: Cross multiply
    465,469.50x = 711,742.50 × 711,742.50
  4. Step 4: Simplify right side
    465,469.50x = 506,577,386,306.25
  5. Step 5: Solve for x
    x = 506,577,386,306.25/465,469.50
  6. Step 6: Final answer
    x = 1,088,314.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.