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Finding the Third Proportional to 19,534,284 and 28,716,768

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Solution

The third proportional to 19,534,284 and 28,716,768 is: 42,215,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534,284 : 28,716,768 = 28,716,768 : x
  2. Step 2: Convert to fraction form
    19,534,284/28,716,768 = 28,716,768/x
  3. Step 3: Cross multiply
    19,534,284x = 28,716,768 × 28,716,768
  4. Step 4: Simplify right side
    19,534,284x = 824,652,764,365,824
  5. Step 5: Solve for x
    x = 824,652,764,365,824/19,534,284
  6. Step 6: Final answer
    x = 42,215,663.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.