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Finding the Third Proportional to 638,700 and 888,052

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Solution

The third proportional to 638,700 and 888,052 is: 1,234,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,700 : 888,052 = 888,052 : x
  2. Step 2: Convert to fraction form
    638,700/888,052 = 888,052/x
  3. Step 3: Cross multiply
    638,700x = 888,052 × 888,052
  4. Step 4: Simplify right side
    638,700x = 788,636,354,704
  5. Step 5: Solve for x
    x = 788,636,354,704/638,700
  6. Step 6: Final answer
    x = 1,234,752.40

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.