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Finding the Third Proportional to 301,442 and 654,724

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Solution

The third proportional to 301,442 and 654,724 is: 1,422,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,442 : 654,724 = 654,724 : x
  2. Step 2: Convert to fraction form
    301,442/654,724 = 654,724/x
  3. Step 3: Cross multiply
    301,442x = 654,724 × 654,724
  4. Step 4: Simplify right side
    301,442x = 428,663,516,176
  5. Step 5: Solve for x
    x = 428,663,516,176/301,442
  6. Step 6: Final answer
    x = 1,422,043.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.