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Finding the Third Proportional to 455,640 and 1,064,580

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Solution

The third proportional to 455,640 and 1,064,580 is: 2,487,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,640 : 1,064,580 = 1,064,580 : x
  2. Step 2: Convert to fraction form
    455,640/1,064,580 = 1,064,580/x
  3. Step 3: Cross multiply
    455,640x = 1,064,580 × 1,064,580
  4. Step 4: Simplify right side
    455,640x = 1,133,330,576,400
  5. Step 5: Solve for x
    x = 1,133,330,576,400/455,640
  6. Step 6: Final answer
    x = 2,487,337.76

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.