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Finding the Third Proportional to 989,644.50 and 1,637,739

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Solution

The third proportional to 989,644.50 and 1,637,739 is: 2,710,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,644.50 : 1,637,739 = 1,637,739 : x
  2. Step 2: Convert to fraction form
    989,644.50/1,637,739 = 1,637,739/x
  3. Step 3: Cross multiply
    989,644.50x = 1,637,739 × 1,637,739
  4. Step 4: Simplify right side
    989,644.50x = 2,682,189,032,121
  5. Step 5: Solve for x
    x = 2,682,189,032,121/989,644.50
  6. Step 6: Final answer
    x = 2,710,255.08

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.