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Finding the Third Proportional to 493,152 and 742,563

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Solution

The third proportional to 493,152 and 742,563 is: 1,118,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,152 : 742,563 = 742,563 : x
  2. Step 2: Convert to fraction form
    493,152/742,563 = 742,563/x
  3. Step 3: Cross multiply
    493,152x = 742,563 × 742,563
  4. Step 4: Simplify right side
    493,152x = 551,399,808,969
  5. Step 5: Solve for x
    x = 551,399,808,969/493,152
  6. Step 6: Final answer
    x = 1,118,113.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.