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Finding the Third Proportional to 475,800 and 700,557

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Solution

The third proportional to 475,800 and 700,557 is: 1,031,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,800 : 700,557 = 700,557 : x
  2. Step 2: Convert to fraction form
    475,800/700,557 = 700,557/x
  3. Step 3: Cross multiply
    475,800x = 700,557 × 700,557
  4. Step 4: Simplify right side
    475,800x = 490,780,110,249
  5. Step 5: Solve for x
    x = 490,780,110,249/475,800
  6. Step 6: Final answer
    x = 1,031,484.05

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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.