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Finding the Third Proportional to 18,920,076 and 41,502,720

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Solution

The third proportional to 18,920,076 and 41,502,720 is: 91,039,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920,076 : 41,502,720 = 41,502,720 : x
  2. Step 2: Convert to fraction form
    18,920,076/41,502,720 = 41,502,720/x
  3. Step 3: Cross multiply
    18,920,076x = 41,502,720 × 41,502,720
  4. Step 4: Simplify right side
    18,920,076x = 1,722,475,767,398,400
  5. Step 5: Solve for x
    x = 1,722,475,767,398,400/18,920,076
  6. Step 6: Final answer
    x = 91,039,579.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.