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Finding the Third Proportional to 553,900.50 and 808,861.50

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Solution

The third proportional to 553,900.50 and 808,861.50 is: 1,181,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,900.50 : 808,861.50 = 808,861.50 : x
  2. Step 2: Convert to fraction form
    553,900.50/808,861.50 = 808,861.50/x
  3. Step 3: Cross multiply
    553,900.50x = 808,861.50 × 808,861.50
  4. Step 4: Simplify right side
    553,900.50x = 654,256,926,182.25
  5. Step 5: Solve for x
    x = 654,256,926,182.25/553,900.50
  6. Step 6: Final answer
    x = 1,181,181.32

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.