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Finding the Third Proportional to 553,312 and 850,868

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Solution

The third proportional to 553,312 and 850,868 is: 1,308,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,312 : 850,868 = 850,868 : x
  2. Step 2: Convert to fraction form
    553,312/850,868 = 850,868/x
  3. Step 3: Cross multiply
    553,312x = 850,868 × 850,868
  4. Step 4: Simplify right side
    553,312x = 723,976,353,424
  5. Step 5: Solve for x
    x = 723,976,353,424/553,312
  6. Step 6: Final answer
    x = 1,308,441.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.