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Finding the Third Proportional to 792,130 and 1,191,988

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Solution

The third proportional to 792,130 and 1,191,988 is: 1,793,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,130 : 1,191,988 = 1,191,988 : x
  2. Step 2: Convert to fraction form
    792,130/1,191,988 = 1,191,988/x
  3. Step 3: Cross multiply
    792,130x = 1,191,988 × 1,191,988
  4. Step 4: Simplify right side
    792,130x = 1,420,835,392,144
  5. Step 5: Solve for x
    x = 1,420,835,392,144/792,130
  6. Step 6: Final answer
    x = 1,793,689.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.