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Finding the Third Proportional to 1,322,907.19 and 2,897,911.69

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Solution

The third proportional to 1,322,907.19 and 2,897,911.69 is: 6,348,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,907.19 : 2,897,911.69 = 2,897,911.69 : x
  2. Step 2: Convert to fraction form
    1,322,907.19/2,897,911.69 = 2,897,911.69/x
  3. Step 3: Cross multiply
    1,322,907.19x = 2,897,911.69 × 2,897,911.69
  4. Step 4: Simplify right side
    1,322,907.19x = 8,397,892,148,549.10
  5. Step 5: Solve for x
    x = 8,397,892,148,549.10/1,322,907.19
  6. Step 6: Final answer
    x = 6,348,058.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.