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Finding the Third Proportional to 475,818 and 700,578

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Solution

The third proportional to 475,818 and 700,578 is: 1,031,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,818 : 700,578 = 700,578 : x
  2. Step 2: Convert to fraction form
    475,818/700,578 = 700,578/x
  3. Step 3: Cross multiply
    475,818x = 700,578 × 700,578
  4. Step 4: Simplify right side
    475,818x = 490,809,534,084
  5. Step 5: Solve for x
    x = 490,809,534,084/475,818
  6. Step 6: Final answer
    x = 1,031,506.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.