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Finding the Third Proportional to 19,967,572 and 28,534,180

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Solution

The third proportional to 19,967,572 and 28,534,180 is: 40,776,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967,572 : 28,534,180 = 28,534,180 : x
  2. Step 2: Convert to fraction form
    19,967,572/28,534,180 = 28,534,180/x
  3. Step 3: Cross multiply
    19,967,572x = 28,534,180 × 28,534,180
  4. Step 4: Simplify right side
    19,967,572x = 814,199,428,272,400
  5. Step 5: Solve for x
    x = 814,199,428,272,400/19,967,572
  6. Step 6: Final answer
    x = 40,776,085.76

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.