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Finding the Third Proportional to 19,308,220 and 28,628,352

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Solution

The third proportional to 19,308,220 and 28,628,352 is: 42,447,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308,220 : 28,628,352 = 28,628,352 : x
  2. Step 2: Convert to fraction form
    19,308,220/28,628,352 = 28,628,352/x
  3. Step 3: Cross multiply
    19,308,220x = 28,628,352 × 28,628,352
  4. Step 4: Simplify right side
    19,308,220x = 819,582,538,235,904
  5. Step 5: Solve for x
    x = 819,582,538,235,904/19,308,220
  6. Step 6: Final answer
    x = 42,447,337.88

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.