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Finding the Third Proportional to 636,008 and 860,700

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Solution

The third proportional to 636,008 and 860,700 is: 1,164,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,008 : 860,700 = 860,700 : x
  2. Step 2: Convert to fraction form
    636,008/860,700 = 860,700/x
  3. Step 3: Cross multiply
    636,008x = 860,700 × 860,700
  4. Step 4: Simplify right side
    636,008x = 740,804,490,000
  5. Step 5: Solve for x
    x = 740,804,490,000/636,008
  6. Step 6: Final answer
    x = 1,164,772.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.