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Finding the Third Proportional to 1,284,098.63 and 1,991,070

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Solution

The third proportional to 1,284,098.63 and 1,991,070 is: 3,087,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,098.63 : 1,991,070 = 1,991,070 : x
  2. Step 2: Convert to fraction form
    1,284,098.63/1,991,070 = 1,991,070/x
  3. Step 3: Cross multiply
    1,284,098.63x = 1,991,070 × 1,991,070
  4. Step 4: Simplify right side
    1,284,098.63x = 3,964,359,744,900
  5. Step 5: Solve for x
    x = 3,964,359,744,900/1,284,098.63
  6. Step 6: Final answer
    x = 3,087,270.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.