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Finding the Third Proportional to 475,788 and 695,820

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Solution

The third proportional to 475,788 and 695,820 is: 1,017,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,788 : 695,820 = 695,820 : x
  2. Step 2: Convert to fraction form
    475,788/695,820 = 695,820/x
  3. Step 3: Cross multiply
    475,788x = 695,820 × 695,820
  4. Step 4: Simplify right side
    475,788x = 484,165,472,400
  5. Step 5: Solve for x
    x = 484,165,472,400/475,788
  6. Step 6: Final answer
    x = 1,017,607.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.