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Finding the Third Proportional to 656,452 and 1,413,343

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Solution

The third proportional to 656,452 and 1,413,343 is: 3,042,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,452 : 1,413,343 = 1,413,343 : x
  2. Step 2: Convert to fraction form
    656,452/1,413,343 = 1,413,343/x
  3. Step 3: Cross multiply
    656,452x = 1,413,343 × 1,413,343
  4. Step 4: Simplify right side
    656,452x = 1,997,538,435,649
  5. Step 5: Solve for x
    x = 1,997,538,435,649/656,452
  6. Step 6: Final answer
    x = 3,042,931.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.