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Finding the Third Proportional to 905,487 and 1,225,366.50

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Solution

The third proportional to 905,487 and 1,225,366.50 is: 1,658,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,487 : 1,225,366.50 = 1,225,366.50 : x
  2. Step 2: Convert to fraction form
    905,487/1,225,366.50 = 1,225,366.50/x
  3. Step 3: Cross multiply
    905,487x = 1,225,366.50 × 1,225,366.50
  4. Step 4: Simplify right side
    905,487x = 1,501,523,059,322.25
  5. Step 5: Solve for x
    x = 1,501,523,059,322.25/905,487
  6. Step 6: Final answer
    x = 1,658,249.16

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.