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Finding the Third Proportional to 401,148 and 881,020

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Solution

The third proportional to 401,148 and 881,020 is: 1,934,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,148 : 881,020 = 881,020 : x
  2. Step 2: Convert to fraction form
    401,148/881,020 = 881,020/x
  3. Step 3: Cross multiply
    401,148x = 881,020 × 881,020
  4. Step 4: Simplify right side
    401,148x = 776,196,240,400
  5. Step 5: Solve for x
    x = 776,196,240,400/401,148
  6. Step 6: Final answer
    x = 1,934,937.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.