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Finding the Third Proportional to 4,692,320 and 7,254,120

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Solution

The third proportional to 4,692,320 and 7,254,120 is: 11,214,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692,320 : 7,254,120 = 7,254,120 : x
  2. Step 2: Convert to fraction form
    4,692,320/7,254,120 = 7,254,120/x
  3. Step 3: Cross multiply
    4,692,320x = 7,254,120 × 7,254,120
  4. Step 4: Simplify right side
    4,692,320x = 52,622,256,974,400
  5. Step 5: Solve for x
    x = 52,622,256,974,400/4,692,320
  6. Step 6: Final answer
    x = 11,214,549.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.