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Finding the Third Proportional to 456,958 and 711,435

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Solution

The third proportional to 456,958 and 711,435 is: 1,107,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,958 : 711,435 = 711,435 : x
  2. Step 2: Convert to fraction form
    456,958/711,435 = 711,435/x
  3. Step 3: Cross multiply
    456,958x = 711,435 × 711,435
  4. Step 4: Simplify right side
    456,958x = 506,139,759,225
  5. Step 5: Solve for x
    x = 506,139,759,225/456,958
  6. Step 6: Final answer
    x = 1,107,628.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.