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Finding the Third Proportional to 987,895 and 1,489,627.50

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Solution

The third proportional to 987,895 and 1,489,627.50 is: 2,246,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,895 : 1,489,627.50 = 1,489,627.50 : x
  2. Step 2: Convert to fraction form
    987,895/1,489,627.50 = 1,489,627.50/x
  3. Step 3: Cross multiply
    987,895x = 1,489,627.50 × 1,489,627.50
  4. Step 4: Simplify right side
    987,895x = 2,218,990,088,756.25
  5. Step 5: Solve for x
    x = 2,218,990,088,756.25/987,895
  6. Step 6: Final answer
    x = 2,246,180.10

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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.