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Finding the Third Proportional to 991,877 and 1,483,972

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Solution

The third proportional to 991,877 and 1,483,972 is: 2,220,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,877 : 1,483,972 = 1,483,972 : x
  2. Step 2: Convert to fraction form
    991,877/1,483,972 = 1,483,972/x
  3. Step 3: Cross multiply
    991,877x = 1,483,972 × 1,483,972
  4. Step 4: Simplify right side
    991,877x = 2,202,172,896,784
  5. Step 5: Solve for x
    x = 2,202,172,896,784/991,877
  6. Step 6: Final answer
    x = 2,220,207.64

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