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Finding the Third Proportional to 989,472 and 1,503,088

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Solution

The third proportional to 989,472 and 1,503,088 is: 2,283,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,472 : 1,503,088 = 1,503,088 : x
  2. Step 2: Convert to fraction form
    989,472/1,503,088 = 1,503,088/x
  3. Step 3: Cross multiply
    989,472x = 1,503,088 × 1,503,088
  4. Step 4: Simplify right side
    989,472x = 2,259,273,535,744
  5. Step 5: Solve for x
    x = 2,259,273,535,744/989,472
  6. Step 6: Final answer
    x = 2,283,312.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.