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Finding the Third Proportional to 18,919,946.25 and 29,218,394.25

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Solution

The third proportional to 18,919,946.25 and 29,218,394.25 is: 45,122,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,946.25 : 29,218,394.25 = 29,218,394.25 : x
  2. Step 2: Convert to fraction form
    18,919,946.25/29,218,394.25 = 29,218,394.25/x
  3. Step 3: Cross multiply
    18,919,946.25x = 29,218,394.25 × 29,218,394.25
  4. Step 4: Simplify right side
    18,919,946.25x = 853,714,562,548,433
  5. Step 5: Solve for x
    x = 853,714,562,548,433/18,919,946.25
  6. Step 6: Final answer
    x = 45,122,462.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.